SQL Server 创建触发器(trigger) 触发器简介: 触发器是一种特殊的存储过程,它的执行不是由程序调用,也不是手动执行,而是由事件来触发。触发器是当对某一个表进行操作。例如:update、insert、delete这些操作的时候,系统会...执行触发器本身。可以在表或视图上定义 instead of 触发器。 DML 触发器有两
、PostgreSQL[4]等都提供了所谓的Instead-Of视图触发器来支持视图更新。定义有Instead-Of触发器的视图被DML语句操作时,相应的DML语句不执行,而触发器体被执行,于是用户可以按照自己定义的语义修改定义视图的基本表,以达到修改视图的目的。因此,为了使GKD-Base适应应用需求的发展,在GKD-Base PL/SQL引擎的基础上实现了...
The above script alone will not cause errors, it will always succeed (well, until token expires). One client triggers only one SQL transaction which cannot cause deadloc. But if running another client concurrently that updates couple of other independent attributes in the same table, then data...
With SQLite and a view in a database, create an INSTEAD OF INSERT trigger for the view, for example: CREATE TRIGGER IF NOT EXISTS customer_view_trigger INSTEAD OF INSERT ON customer_view BEGIN INSERT INTO customer (id, name) SELECT max(id) + 1, NEW.name FROM customer; END; Such a t...
trigger event Button that will Show AND Hide a text box Button_Click event fires multiple times button.Enabled = false not working Byte array sum Byte Array to a Structure Byte array to excel workbook Byte array to string byte image convert to image , parameter is not valid error BYTE Swap...
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TriggerHappy - Open source clone of IFTTT, a bridge between your internet services. (Source Code) BSD-3-Clause Python WebUI-aria2 - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. (Demo) MIT HTML5 Zenbot 3 - ...
TriggerHappy - An opensource clone of IFTTT, a bridge between your internet services. (Source Code) BSD Python WebUI-aria2 - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. (Demo) MIT HTML5 WTFDYUM ⚠ - Why...
TriggerHappy - an opensource clone of IFTTT - a bridge between your internet services BSD Python Blogging Platforms See also Static Site Generators, Content Management Systems and WeblogMatrix Anchor CMS - Anchor is a free, lightweight, faster-than-a-bullet, simple blogging system, made for art...
Summary When triggering a job through linking using trigger the job waits in the "pending" state instead of a "running"...