The number of rows preceding the current row.
The value for value is always a positive integer literal.
The maximum number of rows in an aggregation group is 4096 when value PRECEDING appears as the group start or group end.
The number of rows preceding the current row.
The value for value is always a positive integer literal.
The maximum number of rows in an aggregation group is 4096 when value PRECEDING appears as the group start or group end.