问题
In which SQL standard was RANK() first introduced?
List of SQL standards:
- SQL-86
- SQL-89
- SQL-92
- SQL:1999
- SQL:2003
- SQL:2008
SQL Rank function: http://en.wikipedia.org/wiki/Select_(SQL)#RANK.28.29_window_function
References would be most appreciated.
回答1:
The analytic features are defined as part of the ANSI SQL 1999 standard
Reference:
- SS64.com
来源：https://stackoverflow.com/questions/2376290/in-which-sql-dialect-was-rank-first-introduced