SQL:2008

SQL:2008 is the sixth revision of the ISO and ANSI standard for the SQL database query language. It was formally adopted in July 2008.^[1] The standard consists of 9 parts which are described in detail in SQL. The next iteration is SQL:2011

New features

Additions to the Foundation include

enhanced MERGE and DIAGNOSTIC statements,
the TRUNCATE TABLE statement,
comma-separated WHEN clauses in a CASE expression,
INSTEAD OF database triggers,
partitioned JOIN tables,
support for various XQuery regular expression/pattern-matching features, and
enhancements to derived column names.^[1]

Documentation

The SQL standards documentation is not freely available but may be purchased from the ISO as ISO/IEC 9075(1-4,9-11,13,14):2008.

Claims of conformance

The minimum level of conformance to SQL:2008 that a product can claim is called "Core SQL:2008" and is limited to definitions specified in two parts of the standard: the Foundation and the Information and Definition Schemas.^[2]

References

^ ^a ^b SQL:2008 now an approved ISO International Standard Archived 2011-06-28 at the Wayback Machine, a July 29th, 2008 blog post from a Sybase blog
^ Oracle Compliance To Core SQL:2008 from Oracle Corporation

External links

Freely downloadable drafts of this standard

[sybase08-1] SQL:2008 now an approved ISO International Standard Archived 2011-06-28 at the Wayback Machine, a July 29th, 2008 blog post from a Sybase blog

[2] Oracle Compliance To Core SQL:2008 from Oracle Corporation

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