CREATETRIGGERdbo.trGroups ONgroups AFTERINSERT,UPDATE,DELETE AS --This trigger submits a cached rates delete job for modified groups. --It also updates the groups' last modified columns for modified groups. --It also updates the groups' state (if currently unspecified) based on --the (first...
CREATE TRIGGER dbo.trGroups ON groups AFTER INSERT, UPDATE, DELETE AS -- This trigger submits a cached rates delete job for modified groups. -- It also updates the groups' last modified columns for modified groups. -- It also updates the groups' state (if currently unspecified) based on ...
3.行级触发器 (FOR EACH ROW) 在SQL server 中不存在 商品号为1的库存量: 1.后触发器(实现不同表之间的约束) --实现在销售量不大于库存量时,每卖出n件商品,对应商品的库存要减n,若销售量大于库存量,则回滚此次操作 IF EXISTS (SELECT *FROM sysobjects WHERE name='tr_SaleCommodity') DROP TRIGGER tr...
Weitere Informationen zu INSTEAD OF-Triggern finden Sie unter CREATE TRIGGER (Transact-SQL).Derzeit kann die FROM-Klausel in einer DELETE-Anweisung in Warehouse in Microsoft Fabric nicht angegeben werden.EinschränkungenWenn TOP mit DELETE verwendet wird, werden die Zeilen, auf die verwiesen ...
CREATE TRIGGER tr_SaleCommodity ON OrderInfo FOR INSERT --FOR/AFTER为后触发器 AS BEGIN IF EXISTS ( SELECT * FROM inserted I INNER JOIN CommodityInfo C ON I.CommodityId=C.CommodityId WHERE I.Amount>C.Amount ) BEGIN ROLLBACK --后触发器 ...
CREATE TRIGGER tr_T_A ON T_A for INSERT,UPDATE,DELETE 如IF exists (select * from inserted) and not exists (select * from deleted) 则为 INSERT 如IF exists(select * from inserted ) and exists (select ...
The FROM clause cannot be specified in a DELETE statement that references, either directly or indirectly, a view with anINSTEAD OFtrigger defined on it. For more information about INSTEAD OF triggers, seeCREATE TRIGGER (Transact-SQL).
The FROM clause cannot be specified in a DELETE statement that references, either directly or indirectly, a view with anINSTEAD OFtrigger defined on it. For more information about INSTEAD OF triggers, seeCREATE TRIGGER (Transact-SQL).
Gets or sets the order in which the trigger and the delete operation are executed.命名空间: Microsoft.SqlServer.Management.Smo 程序集: Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)语法 C# 复制 [SfcPropertyAttribute] public ActivationOrder DeleteOrder { get; set; } 属性值 类型:...
不能在直接或间接引用定义有INSTEAD OF触发器的视图的 DELETE 语句中指定 FROM 子句。 有关 INSTEAD OF 触发器的详细信息,请参阅CREATE TRIGGER (Transact-SQL)。 目前,无法在 Microsoft Fabric 中的仓库的 DELETE 语句中指定 FROM 子句。 限制和局限