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
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...
在Oracle数据库中,使用以下语句创立一个触发器:Create or replace trigger ai_empAfter insert on empFor each
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 ...
trigger_bodyがPL/SQLブロックの場合、ブロック内にエラーがあると、CREATE [OR REPLACE]文は失敗します。 trigger_bodyの制限 declare_sectionでは、データ型LONGまたはLONG RAWの変数を宣言できません。 instead_of_dml_trigger INSTEAD OF DMLトリガーを作成します(「INSTEAD OF DMLトリガー」を参照...
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...
create or replace trigger BookPlaceList_ID_AUTO before insert on BookPlaceList --BookPlaceList 是表名 for each row declare nextid number; begin IF :new.BookPlaceID IS NULL or :new.BookPlaceID=0 THEN --BookPlaceID是列名 select BookPlaceList_SEQ.Nextval --BookPlaceList_SEQ正是刚才创建的 ...
第二十二章 SQL命令 CREATE TRIGGER(二) SQL触发器代码 如果LANGUAGE SQL(默认),被触发的语句是一个SQL过程块,包括一个SQL过程语句后跟一个分号,或者关键字BEGIN后跟一个或多个SQL过程语句,每个SQL过程语句后跟一个分号,最后以END关键字结束。 被触发的操作是原子的,它要么完全应用,要么根本不应用,并且不能包含COMM...
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 ""在需要下列...
1. Click on the Triggers node just below the Form name and then click on + icon. 2. Then Trigger Dialog window will open then select trigger you want to create and click on OK button. 3. The Code Editor window will open then write your trigger code. ...