SQL:2008: Difference between revisions

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{{Short description|2008 edition of the SQL standard}}

{{dablink|This article is about '''SQL:2006''', a revision of the [[SQL]] standard. For more information about SQL, see the main [[SQL]] article.}}

{{SQL language revisions}}

{{about|the language standard|''MS SQL 2008'', the Microsoft product|Microsoft SQL Server 2008}}

'''SQL:2008''' is the sixth revision of the [[International Organization for Standardization|ISO]] and [[ANSI]] standard for the [[SQL]] [[database]] [[query language]]. It was formally adopted in July 2008.<ref name="sybase08">[http://iablog.sybase.com/paulley/2008/07/sql2008-now-an-approved-iso-international-standard/ SQL:2008 now an approved ISO International Standard] {{webarchive|url=https://web.archive.org/web/20110628130925/http://iablog.sybase.com/paulley/2008/07/sql2008-now-an-approved-iso-international-standard/ |date=2011-06-28 }}, a July 29th, 2008 blog post from a [[Sybase]] blog</ref> The standard consists of 9 parts which are described in detail in [[SQL#Interoperability_and_standardization|SQL]]. The next iteration is [[SQL:2011]]

==New features==

'''SQL:2006''' is the sixth revision of the [[SQL]] [[database]] [[query language]]. It is the latest revision.

Additions to the Foundation include

*enhanced [[Merge (SQL)|MERGE]] and DIAGNOSTIC statements,

*the [[Truncate (SQL)|TRUNCATE TABLE]] statement,

*comma-separated WHEN clauses in a CASE expression,

*INSTEAD OF [[database trigger]]s,

*partitioned [[Join (SQL)|JOIN]] tables,

*support for various [[XQuery]] [[regular expression]]/[[Pattern matching|pattern-matching]] features, and

*enhancements to [[derived column]] names.<ref name="sybase08"/>

==SummaryDocumentation ==

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

The SQL:2006 standard was published in [[2006]].

==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.<ref>[https://docs.oracle.com/cd/E11882_01/server.112/e41084/ap_standard_sql003.htm#SQLRF55516 Oracle Compliance To Core SQL:2008] from [[Oracle Corporation]]</ref>

==See also==

{{Wikibook|Structured Query Language}}

*[[Structured Query Language]]

==References==

<references />

==External links==

*[http://www.wiscorp.com/SQLStandards.html Freely downloadable drafts of this standard]

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[[Category:Programming languages]]

[[Category:2006 introductions]]

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