Definition of SQL

Last reviewed: November 2, 1994
Article ID: Q68783

SUMMARY

SQL (structured query language) is a computer language developed by IBM to provide standard commands that permit you to access relational databases.

MORE INFORMATION

"Structured" refers to the rules that govern the language's usage. SQL consists of three types of commands: Data Definition, Data Manipulation, and Data Control.

Data Definition language permits creation of tables and indexes. Data Manipulation language is used to query and modify databases. Data Control language allows and withholds access to databases.

REFERENCES

"Guide to SQL Quick Reference" by John Viescas, page v.

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Last reviewed: November 2, 1994
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