1alter trigger trigger_Stu_InsteadOf --修改触发器2on Student --指定创建触发器的表3after update,insert,delete --instead of 触发器4as5declare @deletedint6declare @insertedint78select@deleted=COUNT(1)fromdeleted9select@inserted=COUNT(1)frominserted1011if(@deleted>0and @inserted>0)12begin13select'u...
Trigger on a LOGON event (Logon Trigger)CREATE TRIGGERtrigger_nameON ALL SERVER [ WITH <logon_trigger_option> [,...n] ] { FOR| AFTER } LOGON AS {sql_statement[ ; ] [,...n] | EXTERNAL NAME < method specifier > [ ; ] }<logon_trigger_option> ::=[ ENCRYPTION ] [ EXECUTE A...
<dml_trigger_option> ::= [ ENCRYPTION ] [ EXECUTE AS Clause ] <method_specifier> ::= assembly_name.class_name.method_name DDL 触发器语法: CREATE [ OR ALTER ] TRIGGER trigger_name ON { ALL SERVER | DATABASE } [ WITH <ddl_trigger_option> [ ,...n ] ] { FOR | AFTER } { event...
前面已经创建了数据表DatabaseLog,创建下面的DDL_DatabaseLog触发器,每当数据库发生DDL事件,DDL触发器就会把相关的DDL信息插入到DatabaseLog表,信息包括操作的时间,操作人,操作的SQL等。 执行Script5测试脚本,返回Figure7的信息,查询DatabaseLog表,返回的记录有2条,一条是创建表信息,一条是删除表信息,如Figure8、Fi...
USE master; GO CREATE LOGIN login_test WITH PASSWORD = N'3KHJ6dhx(0xVYsdf' MUST_CHANGE, CHECK_EXPIRATION = ON; GO GRANT VIEW SERVER STATE TO login_test; GO CREATE TRIGGER connection_limit_trigger ON ALL SERVER WITH EXECUTE AS N'login_test' FOR LOGON AS BEGIN IF ORIGINAL_LOGIN() = ...
通过触发器,我们在用户登录时会自动将事件插入到追踪表中。你可以根据需要扩展事件的种类,例如LOGOUT触发器。 CREATETRIGGERtrg_AfterLogoutONALLSERVERFORLOGOUTASBEGIN-- 将用户注销事件插入到 TraceEvents 表中INSERTINTOTraceEvents(EventTime,EventType,UserName)VALUES(GETDATE(),'Logout',ORIGINAL_LOGIN());END;...
Before SQL Server fires a logon trigger, SQL Server creates an implicit transaction that is independent from any user transaction. Therefore, when the first logon trigger starts firing, the transaction count is 1. After all the logon triggers finish executing, the transaction commits. As with ...
531 10 否 由于服务器选项 "disallow_results_from_triggers" 为 True 或者 LOGON 触发器正处于执行状态,因此无法在触发器执行期间将 NOCOUNT 设置为 OFF。 532 16 否 时间戳(变为 %S_TS)指示出该行已由另一用户更新。 533 15 否 无法在触发器执行中将 XACT ABORT 设置为 OFF。 534 16 ...
-- SQL Server Syntax -- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger) CREATE [ OR ALTER ] TRIGGER [ schema_name . ]trigger_name ON { table | view } [ WITH <dml_trigger_option> [ ,...n ] ] { FOR | AFTER | INSTEAD OF } { [ INSERT ...
用户连接RDS SQL Server数据库时出现Logon failed for login 'user' due to trigger execution报错。 问题原因 可能是连接数已满导致客户端无法连接到RDS SQL Server数据库。 解决方案 说明 本方案仅适用于RDS SQL Server 2008 R2本地盘版本。 使用客户端连接实例。具体操作,请参见连接SQL Server实例。