更新时间:2023-11-25 12:09:52
***是 ISNULL,即:
The best would be ISNULL, i.e.:
DECLARE @searchstring varchar(500) ... IF(ISNULL(@searchstring,'') = '') EXEC(@strexecsql) ELSE EXEC(@strexecsql1)
如何在Sybase中查找传入参数是否为非空且不为空