mysql division by zero

This article describes how to use the MySQL database partition function. the difference and connection between MySQL table shards and partitions are described in detail. For more information, see Zero: What is database partition?Let's talk about

MySQL database partition function tutorial, mysql tutorial Zero: What is database partition?Let's talk about what is a database partition. Take mysql as an example. The data in the mysql database is stored on the disk as a file, which is stored

Mysql Procedure parameter is NULL problem analysis bitsCN.com An interesting thing was found during the recent writing process. Mysql procedure has its own unique processing method when passing parameters. For example, if the parameter is defined as

Chapter 23. Precision mathTable of contents 23.1. Types of numeric values23.2. decimal data type changes23.3. Expression handling23.4. Rounding Behavior23.5. Precision math examplesMySQL 5 introduces precision math, that is, numeric value handling

A strange problem occurred recently when I was working on a project: The code is directly checkout from SVN, and the database is directly dumped from another machine. After the environment is properly configured, the order cannot be placed on my

Recently I summarized some operations that are easy to ignore in MySQL, and some of them are quite good.1) perror code viewing toolRecently, it is often found that errors such as error no: in MySQL are often found during MySQL import and export, but

MySQL learning notes SQL server mode summary MySQL servers can be operated in different SQL modes, and different modes can be applied for different clients. In this way, each application can customize the server operation mode as needed. The mode

MYSQL STRICT_TRANS_TABLES when using the graphic tutorial mysql insert, often prompts no default value, MySQL 1364 error prompt: #1364-Field "XXX" doesn't have a default value. The XXX field does not have a default value. That is to say, we did not

Mysql SQL SERVER mode introduction, mysqlsql Server Mode Mysql SQL Server Mode The MySQL server can operate in different SQL modes, and can apply different modes to different clients. In this way, each application can customize the server operation

SQL _modeamp; quot; amp; quot; function: when viewing the discuz source code, you can see SQL _mode = "". I don't know what it is. I guess it is the setting mode, but I don't know what the mode is, so I searched the internet for the role of SQL