In computer science, ACID (Atomicity, Consistency, Isolation, Durability) is a set of properties of database transactions intended to guarantee validity even in the event of errors, power failures, etc.
Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks.
Afilias plc is the registry operator of the.info,.mobi and.pro top-level domain, service provider for registry operators of.org,.ngo,.lgbt,.asia,.aero, and a provider of domain name registry services for countries around the world, including.MN (Mongolia),.AG (Antigua and Barbuda),.BM (Bermuda),.BZ (Belize),.GI (Gibraltar),.IN (India),.ME (Montenegro),.SC (the Seychelles), and.VC (St. Vincent and the Grenadines).
In database management an aggregate function is a function where the values of multiple rows are grouped together to form a single value of more significant meaning or measurement such as a set, a bag or a list.
Amazon.com, Inc., doing business as Amazon, is an American electronic commerce and cloud computing company based in Seattle, Washington that was founded by Jeff Bezos on July 5, 1994.
Amazon Redshift is an Internet hosting service and data warehouse product announced in November 2012 which forms part of the larger cloud-computing platform Amazon Web Services.
Amazon Relational Database Service (or Amazon RDS) is a distributed relational database service by Amazon Web Services (AWS).
Amazon Web Services (AWS) is a subsidiary of Amazon.com that provides on-demand cloud computing platforms to individuals, companies and governments, on a paid subscription basis.
Apress Media LLC is a publisher of information technology books, based in New York City.
In computer science, arbitrary-precision arithmetic, also called bignum arithmetic, multiple-precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system.
ArcGIS is a geographic information system (GIS) for working with maps and geographic information.
ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.
The Artistic License (version 1.0) is a software license used for certain free and open-source software packages, most notably the standard implementation of the Perl programming language and most CPAN modules, which are dual-licensed under the Artistic License and the GNU General Public License (GPL).
Aster Data Systems was a data management and analysis software company headquartered in San Carlos, California.
In computer science, a B-tree is a self-balancing tree data structure that keeps data sorted and allows searches, sequential access, insertions, and deletions in logarithmic time.
Backcountry.com is an online specialty retailer that sells clothing and outdoor recreation gear for hiking, camping, road biking, mountain biking, rock climbing, ice climbing, mountaineering, skiing, avalanche safety, snowboarding, fly fishing, kayaking, rafting, road and trail running, and more.
BASF SE is a German chemical company and the largest chemical producer in the world.
A binary code represents text, computer processor instructions, or any other data using a two-symbol system.
A bitmap index is a special kind of database index that uses bitmaps.
A Block Range Index or BRIN is a database indexing technique.
BSD/OS (originally called BSD/386 and sometimes known as BSDi) is a discontinued proprietary version of the BSD operating system developed by Berkeley Software Design, Inc.
BSON is a computer data interchange format used mainly as a data storage and network transfer format in the MongoDB database.
Business is the activity of making one's living or making money by producing or buying and selling products (goods and services).
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
C++ ("see plus plus") is a general-purpose programming language.
Classless Inter-Domain Routing (CIDR) is a method for allocating IP addresses and IP routing.
Collation is the assembly of written information into a standard order.
A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).
The following tables compare general and technical information for a number of relational database management systems.
Computerworld is a publication website and digital magazine for information technology (IT) and business technology professionals.
In information technology and computer science, especially in the fields of computer programming, operating systems, multiprocessors, and databases, concurrency control ensures that correct results for concurrent operations are generated, while getting those results as quickly as possible.
In computer science, the number of concurrent users for a resource in a location, with the location being a computing network or a single computer, refers to the total number of people using the resource within a predefined period of time.
A console application is a computer program designed to be used via a text-only computer interface, such as a text terminal, the command line interface of some operating systems (Unix, DOS, etc.) or the text-based interface included with most Graphical User Interface (GUI) operating systems, such as the Win32 console in Microsoft Windows, the Terminal in Mac OS X, and xterm in Unix.
In artificial intelligence and operations research, constraint satisfaction is the process of finding a solution to a set of constraints that impose conditions that the variables must satisfy.
D is an object-oriented, imperative, multi-paradigm system programming language created by Walter Bright of Digital Mars and released in 2001.
In data management and database analysis, a data domain refers to all the values which a data element may contain.
A data manipulation language (DML) is a computer programming language used for adding (inserting), deleting, and modifying (updating) data in a database.
Data modeling in software engineering is the process of creating a data model for an information system by applying certain formal techniques.
In computer science and computer programming, a data type or simply type is a classification of data which tells the compiler or interpreter how the programmer intends to use the data.
In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence.
In computer science, a database connection is the means by which a database server and its client software communicate with each other.
The database schema of a database system is its structure described in a formal language supported by the database management system (DBMS).
A transaction symbolizes a unit of work performed within a database management system (or similar system) against a database, and treated in a coherent and reliable way independent of other transactions.
A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database.
Daybreak Game Company LLC is an American video game developer based in San Diego.
Alpha, originally known as Alpha AXP, is a 64-bit reduced instruction set computing (RISC) instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC), designed to replace their 32-bit VAX complex instruction set computer (CISC) ISA.
A dimension is a structure that categorizes facts and measures in order to enable users to answer business questions.
Disqus is a worldwide blog comment hosting service for web sites and online communities that use a networked platform.
DragonFly BSD is a free and open source Unix-like operating system created as a fork of FreeBSD 4.8.
ECPG is the standard, in the PostgreSQL database built-in, client programming interface for embedding SQL in programs written in the C programming language.
An electronic mailing list or email list is a special use of email that allows for widespread distribution of information to many Internet users.
Embedded SQL is a method of combining the computing power of a programming language and the database manipulation capabilities of SQL.
EnterpriseDB (EDB), a privately held company based in Massachusetts, provides software and services based on the open-source database PostgreSQL.
An entity–relationship model (ER model for short) describes interrelated things of interest in a specific domain of knowledge.
Erlang is a general-purpose, concurrent, functional programming language, as well as a garbage-collected runtime system.
eWeek (Enterprise Newsweekly, stylized as eWEEK) is a technology and business magazine, owned by QuinStreet.
An expression index, also known as a function based index, is a database index that is built on a generic expression, rather than one or more columns.
In data warehousing, a Fact table consists of the measurements, metrics or facts of a business process.
FlightAware is a global aviation software and data services company based in Houston, Texas.
In the context of relational databases, a foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table.
In software engineering, a project fork happens when developers take a copy of source code from one software package and start independent development on it, creating a distinct and separate piece of software.
Free and open-source software (FOSS) is software that can be classified as both free software and open-source software.
FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
In software engineering, the terms front end and back end refer to the separation of concerns between the presentation layer (front end), and the data access layer (back end) of a piece of software, or the physical infrastructure or hardware.
In text retrieval, full-text search refers to techniques for searching a single computer-stored document or a collection in a full text database.
The Generic Security Service Application Program Interface (GSSAPI, also GSS-API) is an application programming interface for programs to access security services.
Geni is a commercial genealogy and social networking website, owned by Israeli private company MyHeritage.
Geographic data and information are defined in the ISO/TC 211 series of standards as data and information having an implicit or explicit association with a location relative to the Earth.
A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.
In computing, GiST or Generalized Search Tree, is a data structure and API that can be used to build a variety of disk-based search trees.
GlassFish is an open-source application server project started by Sun Microsystems for the Java EE platform and now sponsored by Oracle Corporation.
Go (often referred to as Golang) is a programming language created at Google in 2009 by Robert Griesemer, Rob Pike, and Ken Thompson.
The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.
In computing, a hash table (hash map) is a data structure that implements an associative array abstract data type, a structure that can map keys to values.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
A hierarchical query is a type of SQL query that handles hierarchical model data.
A hot spare or warm spare or hot standby is used as a failover mechanism to provide reliability in system configurations.
HP-UX (from "Hewlett Packard Unix") is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on UNIX System V (initially System III) and first released in 1984.
Hyper Text Structured Query Language (HTSQL) is a schema-driven URI-to-SQL query language that takes a request over HTTP, converts it to a SQL query, executes the query against a database, and returns the results in a format best suited for the user agent (CSV, HTML, etc.) The HTSQL language is implemented on "HTSQL servers," which use HTSQL to convert web requests into equivalent SQL, executes requests on a server-side database, and returns results in XML, HTML, CSV, JSON, or YAML formats.
Hydrology is the scientific study of the movement, distribution, and quality of water on Earth and other planets, including the water cycle, water resources and environmental watershed sustainability.
AIX (Advanced Interactive eXecutive, pronounced) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
The IBM System/390 was the third major generation of the System/360 line of computers.
IBM Z is a family name used by IBM for all of its mainframe computers from the Z900 on.
The Ident Protocol (Identification Protocol, IDENT), specified in RFC 1413, is an Internet protocol that helps identify the user of a particular TCP connection.
InformationWeek is a digital magazine which conducts corresponding face-to-face events, virtual events, and research.
InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.
Ingres Database is a commercially supported, open-source SQL relational database management system intended to support large commercial and government applications.
In computing, inline expansion, or inlining, is a manual or compiler optimization that replaces a function call site with the body of the called function.
An SQL INSERT statement adds one or more records to any single table in a relational database.
Instagram is a photo and video-sharing social networking service owned by Facebook, Inc. It was created by Kevin Systrom and Mike Krieger, and launched in October 2010 exclusively on iOS.
An instruction set architecture (ISA) is an abstract model of a computer.
The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.
In computing, internationalization and localization are means of adapting computer software to different languages, regional differences and technical requirements of a target locale.
In computer science, an inverted index (also referred to as postings file or inverted file) is an index data structure storing a mapping from content, such as words or numbers, to its locations in a database file, or in a document or a set of documents (named in contrast to a forward index, which maps from documents to content).
Internet Protocol version 4 (IPv4) is the fourth version of the Internet Protocol (IP).
Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
IRIX is a discontinued operating system developed by Silicon Graphics (SGI) to run on their MIPS workstations and servers.
In database systems, isolation determines how transaction integrity is visible to other users and systems.
Itanium is a family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64).
Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.
Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database.
An SQL join clause combines columns from one or more tables in a relational database.
Julia is a high-level dynamic programming language designed to address the needs of high-performance numerical analysis and computational science, without the typical need of separate compilation to be fast, while also being effective for general-purpose programming, web use or as a specification language.
In pattern recognition, the k-nearest neighbors algorithm (k-NN) is a non-parametric method used for classification and regression.
Kerberos is a computer network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner.
In computer science, a library is a collection of non-volatile resources used by computer programs, often for software development.
LibreOffice is a free and open source office suite, a project of The Document Foundation.
The Lightweight Directory Access Protocol (LDAP) is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.
Linux is a family of free and open-source software operating systems built around the Linux kernel.
The Linux Foundation (LF) is dedicated to building sustainable ecosystems around open source projects to accelerate technology development and commercial adoption.
Linux Magazine is an international magazine for Linux software enthusiasts and professionals.
Linux.com is a website owned by the Linux Foundation.
The following database management systems and other software use multiversion concurrency control.
LWN.net is a computing webzine with an emphasis on free software and software for Linux and other Unix-like operating systems.
The M32R is a 32-bit RISC instruction set architecture (ISA) developed by Mitsubishi Electric for embedded microprocessors and microcontrollers.
A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
macOS Server, formerly Mac OS X Server and OS X Server, is a separately sold operating system add-on which provides additional server programs along with management and administration tools for macOS.
In computer security, mandatory access control (MAC) refers to a type of access control by which the operating system constrains the ability of a subject or initiator to access or generally perform some sort of operation on an object or target.
In computing, a materialized view is a database object that contains the results of a query.
The MD5 algorithm is a widely used hash function producing a 128-bit hash value.
The Met Office (officially the Meteorological Office) is the United Kingdom's national weather service.
Michael Ralph Stonebraker (born October 11, 1943) is a computer scientist specializing in database research.
Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.
MIPS (an acronym for Microprocessor without Interlocked Pipeline Stages) is a reduced instruction set computer (RISC) instruction set architecture (ISA)Price, Charles (September 1995).
The MIT License is a permissive free software license originating at the Massachusetts Institute of Technology (MIT).
The Motorola 68000 series (also termed 680x0, m68000, m68k, or 68k) is a family of 32-bit CISC microprocessors.
Multi-master replication is a method of database replication which allows data to be stored by a group of computers, and updated by any member of the group.
Multiversion concurrency control (MCC or MVCC), is a concurrency control method commonly used by database management systems to provide concurrent access to the database and in programming languages to implement transactional memory.
MusicBrainz is a project that aims to create an open data music database that is similar to the freedb project.
Myspace (stylized as MySpace) is a social networking website offering an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos.
MySQL ("My S-Q-L") is an open-source relational database management system (RDBMS).
The National Oceanic and Atmospheric Administration (NOAA; pronounced, like "Noah") is an American scientific agency within the United States Department of Commerce that focuses on the conditions of the oceans, major waterways, and the atmosphere.
The National Weather Service (NWS) is an agency of the United States Federal Government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and general information.
NetBSD is a free and open source Unix-like operating system that descends from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.
NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the Department of Defense.
Nikolai Bezroukov is a Senior Internet Security Analyst at BASF Corporation and was member of Computer Science at Farleigh Dickinson University (New Jersey, United States).
The 320xx or NS32000 was a series of microprocessors from National Semiconductor.
O'Reilly (Ó Raghallaigh) is a group of families, ultimately all of Irish Gaelic origin, who were historically the kings of East Bréifne in what is today County Cavan.
O'Reilly Media (formerly O'Reilly & Associates) is an American media company established by Tim O'Reilly that publishes books and Web sites and produces conferences on computer technology topics.
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.
An object-relational database (ORD), or object-relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query language.
OLE DB (Object Linking and Embedding, Database, sometimes written as OLEDB or OLE-DB), an API designed by Microsoft, allows accessing data from a variety of sources in a uniform manner.
Online analytical processing, or OLAP, is an approach to answering multi-dimensional analytical (MDA) queries swiftly in computing.
In computing, Open Database Connectivity (ODBC) is a standard application programming interface (API) for accessing database management systems (DBMS).
OpenBSD is a free and open-source Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.
OpenIndiana is a free and open-source, Unix operating system derived from OpenSolaris and based on illumos.
OpenOffice.org (OOo), commonly known as OpenOffice, is a discontinued open-source office suite.
Xinuos OpenServer, previously SCO UNIX and SCO Open Desktop (SCO ODT), is a closed source computer operating system developed by Santa Cruz Operation (SCO), later acquired by SCO Group, and now owned by Xinuos.
OpenSolaris is a discontinued, open source computer operating system based on Solaris created by Sun Microsystems.
OpenStreetMap (OSM) is a collaborative project to create a free editable map of the world.
In programming, operator overloading, sometimes termed operator ad hoc polymorphism, is a specific case of polymorphism, where different operators have different implementations depending on their arguments.
Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is a multi-model database management system produced and marketed by Oracle Corporation.
PA-RISC is an instruction set architecture (ISA) developed by Hewlett-Packard.
Packt, pronounced Packed, is a print on demand publishing company based in Birmingham, UK and Mumbai, India.
ParAccel, Inc. was a California-based software company.
In databases, a partial index, also known as filtered index is an index which has some condition applied to it so that it includes a subset of rows in the table.
Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages, Perl 5 and Perl 6.
A permissive software license, sometimes also called BSD-like or BSD-style license, is a free software software license with minimal requirements about how the software can be redistributed.
Pervasive Software was a company that developed software including database management systems and extract, transform and load tools.
phpMyAdmin is a free and open source administration tool for MySQL and MariaDB.
PL/pgSQL (Procedural Language/PostgreSQL) is a procedural programming language supported by the PostgreSQL ORDBMS.
PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database.
Platform as a Service (PaaS) or application platform as a Service (aPaaS) or platform base service is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.
A pluggable authentication module (PAM) is a mechanism to integrate multiple low-level authentication schemes into a high-level application programming interface (API).
Point-in-time recovery (PITR) in the context of computers involves systems whereby an administrator can restore or recover a set of data or a particular setting from a time in the past.
PostGIS is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database.
Postgres-XL is a distributed relational database management system (RBDMS) software based on PostgreSQL.
PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.
In database management systems (DBMS), a prepared statement or parameterized statement is a feature used to execute the same or similar database statements repeatedly with high efficiency.
In computing, a process is an instance of a computer program that is being executed.
Python is an interpreted high-level programming language for general-purpose programming.
QUEL is a relational database query language, based on tuple relational calculus, with some similarities to SQL.
R is a programming language and free software environment for statistical computing and graphics that is supported by the R Foundation for Statistical Computing.
Remote Authentication Dial-In User Service (RADIUS) is a networking protocol, operating on port 1812 that provides centralized Authentication, Authorization, and Accounting (AAA or Triple A) management for users who connect and use a network service.
The Raspberry Pi is a series of small single-board computers developed in the United Kingdom by the Raspberry Pi Foundation to promote the teaching of basic computer science in schools and in developing countries.
Reddit (stylized in its logo as reddit) is an American social news aggregation, web content rating, and discussion website.
Referential integrity is a property of data stating references within it are valid.
A regular expression, regex or regexp (sometimes called a rational expression) is, in theoretical computer science and formal language theory, a sequence of characters that define a search pattern.
A relational database management system (RDBMS) is a database management system (DBMS) based on the relational model invented by Edgar F. Codd at IBM's San Jose Research Laboratory.
Replication in computing involves sharing information so as to ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or accessibility.
Role-oriented programming as a form of computer programming aims at expressing things in terms that are analogous to human conceptual understanding of the World.
Ruby is a dynamic, interpreted, reflective, object-oriented, general-purpose programming language.
Sams Publishing is dedicated to the publishing of technical training manuals and is an imprint of Pearson plc, the global publishing and education company.
In computer security, a sandbox is a security mechanism for separating running programs, usually in an effort to mitigate system failures or software vulnerabilities from spreading.
A savepoint is a way of implementing subtransactions (also known as nested transactions) within a relational database management system by indicating a point within a transaction that can be "rolled back to" without affecting any work done in the transaction before the savepoint was created.
Security Support Provider Interface (SSPI) is a Win32 API used by Microsoft Windows systems to perform a variety of security-related operations such as authentication.
Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including United States Department of Defense–style mandatory access controls (MAC).
The SQL SELECT statement returns a result set of records from one or more tables.
In concurrency control of databases,Philip A. Bernstein, Vassos Hadzilacos, Nathan Goodman (1987): (free PDF download), Addison Wesley Publishing Company, Gerhard Weikum, Gottfried Vossen (2001):, Elsevier, transaction processing (transaction management), and various transactional applications (e.g., transactional memoryMaurice Herlihy and J. Eliot B. Moss. Transactional memory: architectural support for lock-free data structures. Proceedings of the 20th annual international symposium on Computer architecture (ISCA '93). Volume 21, Issue 2, May 1993. and software transactional memory), both centralized and distributed, a transaction schedule is serializable if its outcome (e.g., the resulting database state) is equal to the outcome of its transactions executed serially, i.e. without overlapping in time.
In computer science, shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies.
SIGMOD is the Association for Computing Machinery's Special Interest Group on Management of Data, which specializes in large-scale data management problems and databases.
Skype is a telecommunications application software product that specializes in providing video chat and voice calls between computers, tablets, mobile devices, the Xbox One console, and smartwatches via the Internet and to regular telephones.
Slony-I is an asynchronous master-slave replication system for the PostgreSQL DBMS, providing support for cascading and failover.
In databases, and transaction processing (transaction management), snapshot isolation is a guarantee that all reads made in a transaction will see a consistent snapshot of the database (in practice it reads the last committed values that existed at the time it started), and the transaction itself will successfully commit only if no updates it has made conflict with any concurrent updates made since that snapshot.
Software as a service (SaaS) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted.
A software release life cycle is the sum of the stages of development and maturity for a piece of computer software: ranging from its initial development to its eventual release, and including updated versions of the released version to help improve software or fix software bugs still present in the software.
Solaris is a Unix operating system originally developed by Sun Microsystems.
SPARC, for Scalable Processor Architecture, is a reduced instruction set computing (RISC) instruction set architecture (ISA) originally developed by Sun Microsystems.
In software engineering, a spinlock is a lock which causes a thread trying to acquire it to simply wait in a loop ("spin") while repeatedly checking if the lock is available.
SQL (S-Q-L, "sequel"; Structured Query Language) is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS).
|| |- ! F021 || Basic information schema || || || || || || || || |- | F021–01 || COLUMNS view || || || || || Also includes MySQL-specific extension columns || || || |- | F021–02 || TABLES view || || || || || || || || |- | F021–03 || VIEWS view || || || || || || || || |- | F021–04 || TABLE_CONSTRAINTS view || || || || || || || || |- | F021–05 || REFERENTIAL_CONSTRAINTS view || || || || || || || || |- | F021–06 || CHECK_CONSTRAINTS view || || || || || || || || |- ! F031 || Basic schema manipulation || || || || || || || || |- | F031–01 || CREATE TABLE statement to create persistent base tables || || || || || || || || |- | F031–02 || CREATE VIEW statement || || || || || || || || |- | F031–03 || GRANT statement || || || || || || || || |- | F031–04 || ALTER TABLE statement: ADD COLUMN clause || || || || || || || || |- | F031–13 || DROP TABLE statement: RESTRICT clause || || || || || || || || |- | F031–16 || DROP VIEW statement: RESTRICT clause || || || || || || || || |- | F031–19 || REVOKE statement: RESTRICT clause || || || || || || || || |- ! F041 || Basic joined table || || || || || || || || |- | F041–01 || Inner join (but not necessarily the INNER keyword) || || || || || || || || |- | F041–02 || INNER keyword || || || || || || || || |- | F041–03 || LEFT OUTER JOIN || || || || || || || || |- | F041–04 || RIGHT OUTER JOIN || || || || || || || || |- | F041–05 || Outer joins can be nested || || || || || || || || |- | F041–07 || The inner table in a left or right outer join can also be used in an inner join || || || || || || || || |- | F041–08 || All comparison operators are supported (rather than just.
The SQL/MED ("Management of External Data") extension to the SQL standard is defined by ISO/IEC 9075-9:2008 (originally defined for SQL:2003).
SQL/PSM (SQL/Persistent Stored Modules) is an ISO standard mainly defining an extension of SQL with a procedural language for use in stored procedures.
SQL/XML or XML-Related Specifications is part 14 of the Structured Query Language (SQL) specification.
SQL:2003 is the fourth revision of the SQL database query language.
SQL:2011 or ISO/IEC 9075:2011 (under the general title "Information technology – Database languages – SQL") is the seventh revision of the ISO (1987) and ANSI (1986) standard for the SQL database query language.
The Standard Performance Evaluation Corporation (SPEC) is an American non-profit organization that aims to "produce, establish, maintain and endorse a standardized set" of performance benchmarks for computers.
In computing, the star schema is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts.
A stored procedure (also termed proc, storp, sproc, StoPro, StoredProc, StoreProc, sp, or SP) is a subroutine available to applications that access a relational database management system (RDBMS).
In computer programming, a subroutine is a sequence of program instructions that performs a specific task, packaged as a unit.
Sun Fire is a series of server computers introduced in 2001 by Sun Microsystems (since 2010, part of Oracle Corporation).
Sun Microsystems, Inc. was an American company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), and SPARC.
Sun xVM was a product line from Sun Microsystems that addressed virtualization technology on x86 platforms.
In computing, the superuser is a special user account used for system administration.
SymmetricDS is open source software for database and file synchronization with Multi-master replication, filtered synchronization, and transformation capabilities.
System under test (SUT) refers to a system that is being tested for correct operation.
A tablespace is a storage location where the actual data underlying database objects can be kept.
Tcl (pronounced "tickle" or tee cee ell) is a high-level, general-purpose, interpreted, dynamic programming language.
The Meet Group, Inc. (formerly MeetMe) is a social networking service founded in 2005.
The Register (nicknamed El Reg) is a British technology news and opinion website co-founded in 1994 by Mike Magee, John Lettice and Ross Alderson.
Transaction processing is information processing in computer science that is divided into individual, indivisible operations called transactions.
Transport Layer Security (TLS) – and its predecessor, Secure Sockets Layer (SSL), which is now deprecated by the Internet Engineering Task Force (IETF) – are cryptographic protocols that provide communications security over a computer network.
TripAdvisor, Inc. is an American travel and restaurant website company providing hotel and restaurant reviews, accommodation bookings and other travel-related content.
Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP).
The ACM A.M. Turing Award is an annual prize given by the Association for Computing Machinery (ACM) to an individual selected for contributions "of lasting and major technical importance to the computer field".
In transaction processing, databases, and computer networking, the two-phase commit protocol (2PC) is a type of atomic commitment protocol (ACP).
Sun Microsystems' UltraSPARC T1 microprocessor, known until its 14 November 2005 announcement by its development codename "Niagara", is a multithreading, multicore CPU.
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.
A universally unique identifier (UUID) is a 128-bit number used to identify information in computer systems.
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.
A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.
UnixWare is a Unix operating system.
An SQL UPDATE statement changes the data of one or more records in a table.
VAX is a discontinued instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC) in the mid-1970s.
In a database, a view is the result set of a stored query on the data, which the database users can query just as they would in a persistent database collection object.
Visual Basic is a third-generation event-driven programming language and integrated development environment (IDE) from Microsoft for its Component Object Model (COM) programming model first released in 1991 and declared legacy during 2008.
VMware, Inc. is a subsidiary of Dell Technologies that provides cloud computing and platform virtualization software and services.
VMware vSphere (formerly VMware Infrastructure 4) is VMware's cloud computing virtualization platform.
Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.). Modern weather radars are mostly pulse-Doppler radars, capable of detecting the motion of rain droplets in addition to the intensity of the precipitation.
The term web service is either.
Whitepages is a provider of online directory services, fraud screening and identity verification for businesses, public record background checks, and other products, based on its database of contact information for people and businesses.
A wiki is a website on which users collaboratively modify content and structure directly from the web browser.
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
In computer science, write-ahead logging (WAL) is a family of techniques for providing atomicity and durability (two of the ACID properties) in database systems.
wxWidgets ("wix-widgets", formerly wxWindows) is a widget toolkit and tools library for creating graphical user interfaces (GUIs) for cross-platform applications.
x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.
x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.
In computing, Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.
XPath (XML Path Language) is a query language for selecting nodes from an XML document.
Yandex N.V. (p) is a multinational corporation specializing in Internet-related services and products.
The domain name info is a generic top-level domain (gTLD) in the Domain Name System (DNS) of the Internet.
.NET Framework (pronounced dot net) is a software framework developed by Microsoft that runs primarily on Microsoft Windows.
The domain name org is a generic top-level domain (gTLD) of the Domain Name System (DNS) used in the Internet.
32-bit microcomputers are computers in which 32-bit microprocessors are the norm.
In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).
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