php trigger error

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

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

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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

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

Php error handling and php error. Php error handling. php errors are in PHP. the default error handling is very simple. An error message is sent to the browser. The message contains the file name, row number, and description of the error message.

PHP error handling function, php error function. PHP error handling function. php error functions are in PHP. the default error handling function is simple. An error message is sent to the browser. The message contains the file name, row number, and

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

PHP error handling, PHP error In PHP, the default error handling is simple. An error message is sent to the browser with a file name, line number, and a message that describes the error. PHP Error Handling Error handling is an important part of

PHP error handling function, PHP error function In PHP, the default error handling is simple. An error message is sent to the browser with a file name, line number, and a message that describes the error. PHP Error Handling Error handling is an