...
Syntax
{ ROWS | RANGE }
{
{
BETWEEN
{ UNBOUNDED PRECEDING
| CURRENT ROW
| constant-value { PRECEDING | FOLLOWING }
}
AND
{ UNBOUNDED FOLLOWING
| CURRENT ROW
| constant-value { PRECEDING | FOLLOWING }
}
}
|
{
{ UNBOUNDED PRECEDING
| CURRENT ROW
| constant-value PRECEDING
}
}
}
例如：
select ROW_NUMBER() OVER( order by chanxian) as dd ,* from northwind."1ddsqsl"
