ISO/IEC 9075 explained

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.

History

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

Editions

New editions of the ISO standard are published regularly.

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

• SQL-86, ANSI X3.135:1986^[1]
• SQL-87, ISO 9075:1987, based on the ANSI standard^[1]
• SQL-89, ISO/IEC 9075:1989
• SQL-92, ISO/IEC 9075:1992 - 3rd edition
• , ISO/IEC 9075:1999 - 4th edition
• , ISO/IEC 9075:2003 - 5th edition
• , ISO/IEC 9075:2006 - (part 14 revision)
• , ISO/IEC 9075:2008 - 6th edition
• , ISO/IEC 9075:2011 - 7th edition
• , ISO/IEC 9075:2016 - 8th edition
• , ISO/IEC 9075:2023 - 9th edition

External links

• ISO/IEC JTC 1/SC 32 technical committee (data management and interchange)

Notes and References

1. Web site: The SQL Standard – ISO/IEC 9075:2016 (ANSI X3.135) . Kelechava . Brad . October 5, 2018 . American National Standards Institute . April 23, 2023 .