New SQL Features in Firebird
New SQL Features in Firebird
New SQL Features in Firebird
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Common <strong>SQL</strong> : WINDOW FUNCTIONS<br />
Syntax<br />
::=<br />
34<br />
OVER ()<br />
::=<br />
–- aggregate<br />
| –- rank<strong>in</strong>g<br />
| ROW_NUMBER –- yes, it is row number ;)<br />
| –- navigational<br />
| <br />
| <br />
::=<br />
[PARTITION BY column1, ...]<br />
[ORDER BY column1 [ASC|DESC] [NULLS {FIRST|LAST}], ... ]<br />
Luxembourg 2011 Whats new <strong>in</strong> <strong>Firebird</strong> <strong>SQL</strong>