BEFOREINSERTONcitiesFOREACH ROWBEGININSERTINTOcities_auditVALUES(NEW.name,SYSDATE());END;//DELIMITER ; Note the following differences in CREATE TRIGGER for Oracle and MySQL: In Oracle you can define multiple trigger events. In the example above we used INSERT OR UPDATE trigger. MySQL allows you ...
When you create a materialized view log for a table, Oracle Database implicitly creates anAFTERROWtrigger on the table. This trigger inserts a row into the materialized view log whenever anINSERT,UPDATE, orDELETEstatement modifies data in the master table. You cannot control the order in which ...
1.DELETE TRIGGER,used for delete employer after delete the department. This is a rows trigger. CREATE OR REPLACE TRIGGER del_eptid AFTER DELETE ON deptment FOR EACH ROW--Rows trigger BEGIN DELETE FROM emp WHERE id=:old.id; END del_deptid; / 2.INSERT TRIGGER,used for insert a new employ...
如果语言是SQL,CREATE TRIGGER语句可以选择包含引用子句、WHEN子句和/或UPDATE OF子句。 UPDATE OF子句指定,只有在对为该触发器指定的一个或多个列执行UPDATE时,才应该执行该触发器。 带有LANGUAGE OBJECTSCRIPT的CREATE TRIGGER语句不能包含这些子句。 SQL触发器代码作为嵌入式SQL执行。 这意味着IRIS将SQL触发器代码转换...
CREATE PUBLIC SYNONYM emp_table FOR hr.employees@remote.us.example.com; 別のスキーマ内に基礎となるオブジェクトが含まれている場合は、基礎となるオブジェクトと同じ名前をシノニムに指定することもできます。Oracle Databaseによるシノニムの変換例:Oracle Databaseは、オブジェクトの参照を、パ...
triggersin Oracle Forms, I have given examples forForm Level triggers,Data Block Level triggersandItem Level Triggers. And in this tutorial I am just giving the simple tutorial to how to create a trigger in Oracle Form's object navigator. ...
I have written many posts related toForm Level triggersData Block Level triggersandItem Level Triggers. And in this tutorial I am just giving the simple tutorial to how to create a trigger in Oracle Form's object navigator. Create Form Level Trigger ...
在Oracle数据库中,使用如下语句创立一种触发器:Create or replace trigger ai_empAfter insert on empFor each
Use trigger to create autoincrement column : Before Insert Trigger « Trigger « Oracle PL / SQL
oracle触发器错误:PLS-00103: 出现符号 ""在需要下列之一时:create or replace trigger tri_bifer_translate before insert on translate for each row begin select seq_translate.nextval into:new.TranslateNO from dual; end; TRIGGER SCOTT.TRI_BIFER_TRANSLATE 编译错误 错误:PLS-00103: 出现符号 ""在需要...