MySQL

This article mainly describes the five reasons why MySQL databases are trustworthy in actual operations. There are many existing databases. Why do some people prefer MySQL? If you want to know the answer, you 'd better not miss the following

This article mainly teaches you how to correctly solve the problem of garbled code and installation failure caused by 453 h installation in the UTF8 database above MySQL 4.1. I have tried to install mambo 4.53h these days, because my database is

This article mainly introduces the actual operations of the MySQL database, including how to query statements correctly and how to perform the correct operation steps for creating a database, the following is a detailed description of the article. I

The following articles mainly describe the correct solution for zend_db to correctly connect to the MySQL database in actual operations. If you encounter similar situations in actual operations, however, you do not know how to solve the problem

This article is more suitable for MySQL5 beginners. This article mainly describes the basic knowledge of MySQL5 and some common problems in actual operations. The following article describes the related content, I hope it will help you in this

What should I do if I want to set MySql access restrictions? The following describes how to set MySql access restrictions for your reference. We use two methods to set MySql access restrictions. Enter the Mysql execution directory c: \ mysql \ bin ).

The SQL statements described below can obtain important information such as MySQL table information and foreign key relationships, which is of great value. If you have encountered similar problems in MySQL table information, take a look. /*

Foreign keys bring many benefits to MySQL. The following describes how to write statements for defining foreign keys in MySQL and how to handle errors when defining foreign keys in MySQL. mysql> CREATE TABLE categories (  

There are different ways to view different MySQL character sets. The following command is used to view the currently supported MySQL character sets. It is helpful for you to learn the MySQL character set. mysql> show charset;  

Mysql partition tables not only have limitations on primary key constraints, but also have some restrictions on the functions used by Mysql Partition Table statements. Let's take a look at the following. The statement for creating a Mysql Partition

Every DBA of the mysql stored procedure needs to master. The following describes examples of java operations on the mysql stored procedure. If you are interested in the mysql stored procedure, take a look. 1. Create a table named test

The MySQL EXPLAIN statement can obtain information about how MySQL executes the SELECT statement. The following describes how to use this statement for your reference. EXPLAIN tbl_nameOr: EXPLAIN [EXTENDED] SELECT select_options The MySQL EXPLAIN

Different permissions have different operations on the MySQL database. The following describes some knowledge about MySQL permission management. If you are interested in MySQL permission management, take a look. ========= Change the user password

You can add or delete indexes to or from a table structure in MySQL. The following describes how to modify the table structure in MySQL for your reference. Modify Table Structure in MySQL -- add an index Mysql> alter table tablename change depno int

Mysql Log Files are familiar to us. The following describes mysql Log Files in detail. If you are interested in mysql Log Files, take a look. 1. Error Log The error log records all severe warnings and error messages during mysql server running, as

MySQL record duplication makes it inconvenient for us to use the database. How to delete MySQL record duplication becomes a common operation. The following describes how to process duplicate MySQL records for your reference. There are two MySQL

MySQL join Table query and join table deletion are all frequently used operations. The following sections describe MySQL join Table query and table deletion in detail and hope to help you. MySQL join Table query: Reference mysql manul:3.2.7. SELECT

Creating an association table in MySQL is a basic knowledge. The following describes how to create an association table in MySQL. If you are interested in creating an association table in MySQL, take a look. Creating an association table in MySQL

Internal locking is one of the two ways to lock the MySQL server. The following describes the internal locking of the MySQL server in detail. If you are interested in locking the MySQL server, take a look. Internal lock Internal locking can avoid

MySQL fields have various types and their lengths are different. The following describes the length of various MySQL fields for your reference. Value TypeStorage required for column typesTINYINT 1 byteSMALLINT 2 bytesMEDIUMINT 3 bytesINT 4