IBM System R and SQL

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between IBM System R and SQL

IBM System R vs. SQL

IBM System R is a database system built as a research project at IBM's San Jose Research Laboratory beginning in 1974. 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).

Similarities between IBM System R and SQL

IBM System R and SQL have 7 things in common (in Unionpedia): IBM, IBM Research - Almaden, IBM System/38, Query language, Relational database management system, Relational model, SQL.

IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM Research - Almaden

IBM Research - Almaden is in Almaden Valley, San Jose, California, and is one of IBM's twelve worldwide research labs that form IBM Research.

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IBM System/38

The System/38 was a midrange computer server platform manufactured and sold by the IBM Corporation.

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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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Relational database management system

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.

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Relational model

The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations.

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SQL

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).

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The list above answers the following questions

What IBM System R and SQL have in common
What are the similarities between IBM System R and SQL

IBM System R and SQL Comparison

IBM System R has 15 relations, while SQL has 173. As they have in common 7, the Jaccard index is 3.72% = 7 / (15 + 173).

References

This article shows the relationship between IBM System R and SQL. To access each article from which the information was extracted, please visit:

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