ALTER TRIGGER trigger_name ON table_name RENAME TO new_name; 1. (4)删除触发器 DROP TRIGGER [ IF EXISTS ] trigger_name ON table_name [ CASCADE | RESTRICT ]; 1. 1)删除触发器时,如果不指定触发器所在的表,则会报错 2)在openGauss中删除触发器时,先删触发器本身,再删触发器中所定义的函数,否则...
drop trigger 触发器名; ---删除DDL触发器 --drop trigger 触发器名 on database; --删除登录触发器 --drop trigger 触发器名 on all server; go 示例:本示例演示删除DML更新触发器。 --声明数据库引用 use testss; go 1. 2. --判断是否存在,如果存在则删除 if exists(select * from sys.triggers w...
, ALTER, DROP, GRANT, DENY, REVOKE or UPDATE statement (DDL Trigger) DROP TRIGGER [ IF EXISTS ] trigger_name [ ,...n ] ON { DATABASE | ALL SERVER } [ ; ] -- Trigger on a LOGON event (Logon Trigger) DROP TRIGGER [ IF EXISTS ] trigger_name [ ,...n ] ON ALL SERVER ...
DROP TRIGGER triggername -- 判断用户函数是否存在,如果存在则删除 -- 此处type有两种: 'TF'- Table-Value Function 表值函数 'FN'- Scalar-Value Function 标量值函数 IF (EXISTS(SELECT * FROM sysobjects WHERE id=object_id(N'[dbo].[userfunction]') AND (type='FN' OR type='TF'))) DROP FUNCT...
if exists(select * from sys.triggers where name=触发器名) drop trigger 触发器名 on { database | all server }; go --创建触发器 create --触发器标识符 trigger --DML 触发器所属架构的名称。 DML 触发器的作用域是为其创建该触发器的表或视图的架构。 不能为 DDL 或登录触发器指定 schema_name...
IF OBJECT_ID('LOG_AUX') <> 0 BEGIN DROP TRIGGER LOG_AUX; END -- 创建触发器 GO CREATE TRIGGER LOG_AUX ON T_SAL_ORDERENTRY FOR INSERT, UPDATE, DELETE AS IF UPDATE(FAUXPROPID) --字段更新添加 BEGIN INSERT INTO SO_AUX_LOG SELECT A.FENTRYID, B.FAUXPROPID, A.FAUXPROPID, GETDATE(),...
DROPobject_typeIFEXISTSobject_name 能够用于DROP的object_type，如Tables, Database, Function, Trigger, Stored Procedure, Column, User, Type, View, Schema，皆可套用,比如：ALTER TABLE PERSONDROP COLUMN If EXISTS NAME SQL Server 2016新特性：DROP IF EXISTS 标签：basesysges.netschfunctionname...
(select * from dbo.sysobjects where id = object_id(N'[dbo].[countAr]') and OBJECTPROPERTY(id, N'IsTrigger') = 1) drop trigger countAr3、判断是否存在View_1这个视图IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME = N'View_1') DROP View View_14、判断是否...
From SQL Server 2016 CTP3 you can use new DIE statements instead of big IF wrappers, e.g.:scroll 复制 DROP TABLE IF EXISTS dbo.Product DROP TRIGGER IF EXISTS trProductInsert If the object does not exists, DIE will not fail and execution will continue. Currently, the following ...
In SQL Server 2016 CTP3 objects can DIE (DROP IF EXISTS)Do you like to write following conditional DROP statements:scroll Copy IF OBJECT_ID('dbo.Product, 'U') IS NOT NULL DROP TABLE dbo.Product; IF EXISTS (SELECT * FROM sys.triggers WHERE name = 'trProductInsert') ...