There are three versions of the SQL standard: SQL-92, SQL:1999, and SQL:2003. They are endorsed by ANSI and ISO. Draft versions can be downloaded from:SQL-92 http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt
SQL:1999 http://www.cse.iitb.ac.in/dbms/Data/Papers-Other/SQL1999/ansi-iso-9075-2-1999.pdf
SQL:2003 http://www.wiscorp.com/sql_2003_standard.zip
Some SQL standards web pages are:http://troels.arvin.dk/db/rdbms/links/#standards
http://www.wiscorp.com/SQLStandards.html
http://www.contrib.andrew.cmu.edu/~shadow/sql.html#syntax (SQL-92)
http://dbs.uni-leipzig.de/en/lokal/standards.pdf (paper)
SQL:1999 http://www.cse.iitb.ac.in/dbms/Data/Papers-Other/SQL1999/ansi-iso-9075-2-1999.pdf
SQL:2003 http://www.wiscorp.com/sql_2003_standard.zip
Some SQL standards web pages are:http://troels.arvin.dk/db/rdbms/links/#standards
http://www.wiscorp.com/SQLStandards.html
http://www.contrib.andrew.cmu.edu/~shadow/sql.html#syntax (SQL-92)
http://dbs.uni-leipzig.de/en/lokal/standards.pdf (paper)
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货