create trigger sql server after update

SQL Server INSTEAD OF UPDATE view trigger problem, sqlserverinstead An error occurs when the system's instead of update view trigger is associated with table UPDATE: Message 414, level

Label:An error occurred when the INSTEAD of Update View Trigger association table update originated in the system is as follows: MSG 414, Level 16, State 1, line 1thUpdate is not allowed because the statement updates the view "Vtesttab" and the view participates in the join and has a INSTEAD of UPDATE

Classes;Update classes Set name = ' Five class ' WHERE name = ' Class 5 ';The update trigger saves the updated data in the deleted table after the data is updated, and the updated data is saved in the inserted table. # Update column-level triggers if (object_id (' Tgr_classes_update_column ', ' TR ') is not null)Drop

Example of a trigger codes: Code of the insert, delete, and update trigger: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-- DBO. trgroups. SQL If exists ( Select * From sysobjects where Name = 'trgroups' and type = 'tr ') Begin Drop

success.Create a trigger with the Create TRIGGER commandThe parameters are described as follows:Trigger_nameis the name of the trigger that the user is creating, must conform to the naming rules for MS SQL Server, and its name mu

() fromInserted asAINNER JOINLm_sys_shiyanshixinxi asB onA.shiyanshiid=b.shiyanshiidINNER JOINLm_mj_men asC onB.menid=C.menidWHEREA.shifoumoren= 0 andB.isdelete= 0 andC.isdelete= 0; End --Delete if( not exists(Select 1 fromInserted and exists(Select 1 fromdeleted)) begin Delete fromLm_kq_kaoqinganpaiwhereKaoqinganpaiidinch(SelectKaifangshijianid fromdeleted)End

Declare@ Isinsert bit,@ Isupdate bit,@ Isdelete bitIf exists (select 1 from inserted) and not exists (select 1 from deleted)Set @ isinsert = 1ElseSet @ isinsert = 0 If exists (select 1 from inserted) and exists (select 1 from deleted)Set @ isupdate = 1ElseSet @ isupdate = 0 If not exists (select 1 from inserted) and exists (select 1 from deleted)Set @ isdelete = 1ElseSet @ isdelete = 0 Create trigger upd

Temporarily save inserted or updated record line Q You can check from the inserted table whether the inserted data meets business requirements Q if not, report an error message to the user and roll back the insert Operation Q deleted table Q temporarily saves the deletion or Record lines before update q you can check whether the deleted data meets the business requirements from the deleted table Q if it is not met, the error message is reported to th

Copy codeThe Code is as follows:-- Member tableIf object_id ('userinfo', 'U') is not nullDrop table userinfoGoCreate table userinfo (userid int primary key, user_tegral int, level int)Insert into userinfo select 1, 0, 0Go-- Member level tableIf object_id ('userlevel', 'U') is not nullDrop table userlevelGo-- Insert Test DataCreate table userlevel (level int primary key, mlevel_point decimal (10, 2 ))Insert into userlevel select 0, 0Insert into userlevel select 1,100Insert into userlevel select 2

(@oldUpdate isnull) or (@oldUpdate =0) begin--Update operation, update timestamp f_sync_date=systimestamp and F_sync_update=null if (@isUpdate =1) insertintodata_sync_b_operator (T_name,o_type,o_date,vkeys) values (' FH _dj ', 2,getdate (), @Djid);--Insert the newly added record into the Operation log table if (@isInsert =1) insert intoDATA_SYNC_B_OPERATOR (T_name,o_type,o_date,vkeys) values (' Fh_dj ',

SQL Server trigger and SQL Server triggerA trigger is a special type of stored procedure, which is different from the stored procedure we introduced earlier. A trigger is triggered by a

Copy Code code as follows: --Member Table If object_id (' UserInfo ', ' u ') is not null drop table UserInfo Go CREATE TABLE userinfo (userid int primary key,user_tegral int,level int) Insert INTO UserInfo Select 1,0,0 Go --Membership Level table If object_id (' userlevel ', ' u ') is not null drop table Userlevel Go --Inserting test data CREATE table userlevel (level int primary key,mle

SQL Server trigger and SQL Server triggerSQL Server triggers A trigger is a special type of stored procedure, which is different from the stored procedure we introduced earlier. A

category 1 DML (Data Manipulation Language) trigger: indicates that the trigger is enabled when a DML event occurs in the database. DML events are the insert, update, and delete statements that modify data in tables or views. 2 DDL (Data Definition Language) trigger: It is used when a DDL event occurs on the