SQL:2008
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2008 edition of the SQL standard
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This article is about the language standard. For MS SQL 2008, the Microsoft product, see Microsoft SQL Server 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
[edit ]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
[edit ]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
[edit ]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]
See also
[edit ]
Wikibooks has a book on the topic of: Structured Query Language
References
[edit ]- ^ a b SQL:2008 now an approved ISO International Standard Archived 2011年06月28日 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
[edit ]Retrieved from "https://en.wikipedia.org/w/index.php?title=SQL:2008&oldid=1273877922"