SQL 对decimal类型转换为int类型

CAST(SaleQty AS INT)-CAST(ISNULL( Qty,0) AS INT)  CountQty
select ISNULL( CAST(E.Qty AS INT),0 )  FROM  OrderDetail E 空值 需要默认为0 即可
原文地址:https://www.cnblogs.com/Warmsunshine/p/10868864.html