SQL:2003: Difference between revisions

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{{Short description|2003 edition of the SQL standard}}
{{SQL language revisions}}
'''SQL:2003''' is the fourthfifth revision of the [[SQL]] [[database]] [[query language]]. The standard consists of 9 parts which are described in detail in [[SQL#Interoperability_and_standardizationInteroperability and standardization|SQL]]. It was updated by [[SQL:2006]].

==New Featuresfeatures==

The SQL:2003 standard makes minor modifications to all parts of [[SQL:1999]] (also known as SQL3), and officially introduces a few new features such as:<ref>{{cite journal|url=http://www.acm.org/sigmod/record/issues/0403/index.html#standards|last=Eisenberg|first=Andrew|title=SQL:2003 Has Been Published|format=pdf|journal=SIGMOD Record|volume=33|issue=1|date=March 2004|accessdate=2007-08-14|doi=10.1145/974121.974142|pages=119119–126 |archiveurl = httphttps://web.archive.org/web/20071111200042/http://www.acm.org/sigmod/record/issues/0403/index.html#standards <!-- Bot retrieved archive --> |archivedate = 2007-11-11|display-authors=etal|url-access=subscription}}</ref>

* [[XML]]-related features ([[SQL/XML]])

* [[Window function (SQL)|Window functions]]

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* removal of the poorly implemented "BIT" and "BIT VARYING" data types

* [[OLAP]] capabilities (initially added in [[SQL:1999]]) were extended with a [[Window function (SQL)|window function]].<ref name="JensenPedersen2010">{{cite book|author1=Christian S. Jensen|author2=Torben Bach Pedersen|author3=Christian Thomsen|title=Multidimensional Databases and Data Warehousing|url=https://books.google.com/books?id=7UJpcKbVcYkC&pg=PA26|year=2010|publisher=Morgan & Claypool Publishers|isbn=978-1-60845-537-9|page=26}}</ref>

For details see.<ref>[http://sigmodrecord.org/publications/sigmodRecord/0403/E.JimAndrew-standard.pdf SQL:2003 Has Been Published]</ref>

==Documentation availability==

The SQL standard is not freely available but may be purchased from [http://www.iso.org/ ISO] or [http://webstore.ansi.org/ ANSI]. A late draft is available as a [http://www.wiscorp.com/sql_2003_standard.zip zip archive] {{Webarchive|url=https://web.archive.org/web/20160330011635/http://www.wiscorp.com/sql_2003_standard.zip |date=2016-03-30 }} from [http://www.wiscorp.com/ Whitemarsh Information Systems Corporation]. The zip archive contains a number of [[Portable Document Format|PDF]] files that define the parts of the SQL:2003 specification.

==References==

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==External links==

* [httphttps://savagegithub.net.aucom/ronsavage/SQL/sql-2003-1.bnf.html BNF Grammar for ISO/IEC 9075-1:2003] &ndash; SQL/Framework

* [http://savage.net.au/SQL/sql-2003-2.bnf.html BNF Grammar for ISO/IEC 9075-2:2003] &ndash; SQL/Foundation

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