ISO/IEC 9075

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ISO/IEC 9075 "Information technology - Database languages - SQL" is an international standard for Structured Query Language, and is considered as specifying the minimum for what a database engine should fulfill in terms of SQL syntax, which is called Core SQL. The standard also defines a number of optional features.


The first edition was based on ANSI SQL.[1]


New editions of the ISO standard are published regularly.

Chronological overview of the editions (which have the year of publication in their name):


  1. ^ a b c Kelechava, Brad (October 5, 2018). "The SQL Standard – ISO/IEC 9075:2016 (ANSI X3.135)". American National Standards Institute. Retrieved April 23, 2023.

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