trigger php

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The role of the MySQL Trigger (Trigger)

One, what triggers1, personal understandingThe function of the trigger is to achieve synchronization between the two libraries, that is, the operation of library A and so on in the operation of library B, you can create a change on the table a

Mysql trigger example

Why use a trigger? Advantages of triggers 1. Trigger's "automatic"For programmers, the trigger is invisible, but he does. If no trigger is needed, when you update the name field of the user table, you need to write code to update redundant fields in

MySQL Trigger (trigger)

One, the advantages of the trigger1, the " automatic " of the triggerTo the programmer, the trigger is not visible, but he did do things, if you do not use a trigger, you update the user table name field, you also write code to update other tables

MySQL Trigger (Trigger) Concise Summary and usage examples

Reprint, original linkOne, what triggers1, personal understandingFlip-flops, literally understood, trigger a device, called triggers (haha, personal understanding), for example, like dark, you turn on the lights, you see things. You put the

PHP Tutorials Download

a more comprehensive set of PHP tutorials , basic video and some small combat projects, below is the video directoryCD-ROM (i) \php employment Class (I.)CD-ROM (i) \php Technical exchange zone. URLCD-ROM (i) \ "Wisdom Special issue" belongs to it

MYSQL Trigger)

I. What trigger is a special stored procedure. Its execution is not called by a program or started manually, but triggered by an event, for example, when you perform operations (insert, delete, update) on a table, it is activated for execution.

MySQL Trigger (Trigger) Concise Summary and usage examples

One, what triggers1, personal understandingFlip-flops, literally understood, trigger a device, called triggers (haha, personal understanding), for example, like dark, you turn on the lights, you see things. You put the firecracker, lit, and then

What are the actual functions of the MySQL5 trigger?

This article mainly introduces the MySQL5 trigger. Every time I demonstrate the actual code, I will use MySQL (the best combination with PHP) the code displayed on the screen of the client is adjusted, mainly by changing the font to Courier, making

Beckham _ mysql trigger and Beckham _ mysql trigger

Beckham _ mysql trigger and Beckham _ mysql triggerTriggerBrief1. Basic concepts of triggers2. Trigger syntax and practical examples3. Differences between before and after   I. Basic concepts of triggers 1. Instant Transmission 2. Role: monitor a

A concise summary of MYSQL triggers (Trigger) and usages _mysql

One, what triggers 1, personal understandingTriggers, which are literally understood, a hair-trigger device, a trigger (haha, personal understanding), for example, like when it's dark, you turn on the light, you see something. You put the

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