-- SQL Server Syntax-- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger)CREATE[ORALTER]TRIGGER[schema_name. ]trigger_nameON{ table | view } [WITH<dml_trigger_option>[ ,...n ] ] {
While all demos in this article are in SQL Server, the advice presented here is universal across database platforms. The challenges posed by triggers are also seen in MySQL, PostgreSQL, MongoDB, and many others. What are triggers? SQL Server triggers can be defined on the...
That syntax is also acceptable in older versions of SQL Server. However, now that there are two types of triggers in SQL Server 2000, I prefer to refer to FOR triggers as AFTER triggers. Thus, for the remainder of this article I will refer to either AFTER or INSTEAD OF triggers. ...
-- SQL Server Syntax-- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger)ALTERTRIGGERschema_name.trigger_nameON( table | view ) [WITH<dml_trigger_option>[ ,...n ] ] (FOR|AFTER|INSTEADOF) { [DELETE] [ , ] [INSERT] [ , ] [UPDATE] } [NOT...
What are the trigger differences between PostgreSQL and SQL Server? Compare the triggers in PostgreSQL vs. MSSQL 中文:两个数据库的trigger比较 PostgreSQL具有高级触发器。支持的触发事件为AFTER、BEFORE和INSTEAD OF,并可用于INSERT、UPDATE和DELETE事件。函数可用于在触发器被调用时执行复杂的SQL。PostgreSQL可以...
Below is an example trigger from the AdventureWorks2012 database. You’ll notice the syntax for a SQL trigger is very similar to that of a stored procedure. In fact, the trigger uses the same language to implement its logic as dostored procedures. In MS SQL, this isT-SQL; whereas in Or...
syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] 完整语法 基于磁盘的 CREATE TABLE 语法: syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name....
syntaxsql 복사 -- External tool only syntax INSERT { [BULK] { database_name.schema_name.table_or_view_name | schema_name.table_or_view_name | table_or_view_name } ( <column_definition> ) [ WITH ( [ [ , ] CHECK_CONSTRAINTS ] [ [ , ] FIRE_TRIGGERS ] [ [ , ] KEEP_NUL...
适用于: SQL Server Azure SQL 数据库 Azure SQL 托管实例 禁用触发器。 Transact-SQL 语法约定 语法 syntaxsql 复制 DISABLE TRIGGER { [ schema_name . ] trigger_name [ ,...n ] | ALL } ON { object_name | DATABASE | ALL SERVER } [ ; ] 参数 schema_name 触发器所属架构的名称。 不能...
ENCRYPTION可用于创建或更改VIEW、Stored Procedure、Trigger或用户定义函数(UDF user define function)时。ENCRYPTION选项指示SQL SERVER在内部以代码混淆方式存储对象定义文本。 --由于创建视图时没有使用ENCRYPTION,可以得到创建视图的定义语句SELECTOBJECT_DEFINITION(OBJECT_ID('Sales.USACusts'))--使用ENCRYPTION,偷懒使用...