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24 relations: Backup, Block (data storage), Central processing unit, Communication protocol, Concurrency (computer science), Data striping, Database, Database caching, Defragmentation, Expansion card, Histogram, Host system, Insert (SQL), Join (SQL), Operating system, Paging, Parallel computing, Query language, Query plan, RAID, Server (computing), Software, Storage area network, Transaction log.
Backup
In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.
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Block (data storage)
In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size.
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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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Communication protocol
In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.
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Concurrency (computer science)
In computer science, concurrency refers to the ability of different parts or units of a program, algorithm, or problem to be executed out-of-order or in partial order, without affecting the final outcome.
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Data striping
In computer data storage, data striping is the technique of segmenting logically sequential data, such as a file, so that consecutive segments are stored on different physical storage devices.
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Database
A database is an organized collection of data, stored and accessed electronically.
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Database caching
Database caching is a process included in the design of computer applications which generate web pages on-demand (dynamically) by accessing backend databases.
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Defragmentation
In the maintenance of file systems, defragmentation is a process that reduces the amount of fragmentation.
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Expansion card
In computing, the expansion card, expansion board, adapter card or accessory card is a printed circuit board that can be inserted into an electrical connector, or expansion slot, on a computer motherboard, backplane or riser card to add functionality to a computer system via the expansion bus.
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Histogram
A histogram is an accurate representation of the distribution of numerical data.
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Host system
Host system is any networked computer that provides services to other systems or users.
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Insert (SQL)
An SQL INSERT statement adds one or more records to any single table in a relational database.
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Join (SQL)
An SQL join clause combines columns from one or more tables in a relational database.
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Operating system
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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Paging
In computer operating systems, paging is a memory management scheme by which a computer stores and retrieves data from secondary storage for use in main memory.
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Parallel computing
Parallel computing is a type of computation in which many calculations or the execution of processes are carried out concurrently.
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Query language
Query languages or data query languages (DQLs) are computer languages used to make queries in databases and information systems.
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Query plan
A query plan (or query execution plan) is an ordered set of steps used to access data in a SQL relational database management system.
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RAID
RAID (Redundant Array of Independent Disks, originally Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
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Server (computing)
In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".
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Software
Computer software, or simply software, is a generic term that refers to a collection of data or computer instructions that tell the computer how to work, in contrast to the physical hardware from which the system is built, that actually performs the work.
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Storage area network
A storage area network (SAN) is a Computer network which provides access to consolidated, block level data storage.
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Transaction log
In the field of databases in computer science, a transaction log (also transaction journal, database log, binary log or audit trail) is a history of actions executed by a database management system used to guarantee ACID properties over crashes or hardware failures.
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References
[1] https://en.wikipedia.org/wiki/Database_tuning
