例如在窗口sql*plus 1 中修改emp 的数据 updateempsetsal=sal+100whereeno='123'; 虽然sql*plus 1 窗口已经提示更新, 但是事务没有提交! 此时再打开另一个窗口sql*plus2 , 同样也执行修改, 执行上述同样的语句, 不是提示已更新, 而是一直等待. 这是因为sql*plus 1 封锁了记录, 但是事务没有结束, 锁不会...
--不能指定sys.schema,会报《ORA-30510: 系统触发器不能在 SYS 用户方案中定义》 --限制某IP ORA_CLIENT_IP_ADDRESS IN ('10.240.1.7','10.240.1.8') 简单演示: [oracle@10.240.1.7 ~]$ sqlplus lottery/lottery@10.240.1.7/test SQL*Plus: Release 11.2.0.4.0 Production on Wed Apr 27 16:05:55 2...
You need to remove the database trigger trg_emp. Which command do youuse to remove the trigger in the SQL*Plus environment? A DROP TRIGGER trg_emp B DELETE TRIGGER trg_emp C REMOVE TRIGGER trg_emp D ALTER TRIGGER trg_emp REMOVE
The example posted is the beginning of a RBAR trigger. INSERTs in SQL Server will fire the trigger only once per INSERT even if the INSERT inserts thousands of rows. You MUST write setbased code in the trigger or only one random row of the INSERT will be processed and all the other row...
--限制某IP ORA_CLIENT_IP_ADDRESS IN ('10.240.1.7','10.240.1.8') 简单演示: [oracle@10.240.1.7 ~]$ sqlplus lottery/lottery@10.240.1.7/test SQL*Plus: Release 11.2.0.4.0 Production on Wed Apr 27 16:05:55 2016 Copyright (c) 1982, 2013, Oracle. All rights reserved. ...
I've made a trigger in SQL and need him to write an output after inserting a new row in the table. Please see the example: CREATE OR REPLACE TRIGGER GAS_CODES AFTER INSERT ON blablatable FOR EACH ROW BEGIN insert into blabla2table (...,...,...,...) values (:new...,...,.....
Triggers are created using the SQL CREATE TRIGGER statement. This statement can be used with Object Browser, SQL Script Editor, or SQL Command Line (SQL*Plus). The CREATE (or CREATE OR REPLACE) statement fails if any errors exist in the PL/SQL block. This section contains the following to...
Compiling Triggers in sql*plus ro88o Apr 29, 2006 ANSI_SQL Replies 1 Views 29 Apr 29, 2006 r937 Locked Question Action type with triggers? 1 russland Sep 21, 2005 ANSI_SQL Replies 2 Views 29 Sep 21, 2005 fredericofonseca Locked Question Triggers nutpuk Aug 18, 2004...
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