MySQL

Total office, phpMyAdmin is a convenient and fast MySQL management tool,: http://www.phpmyadmin.net/home_page/downloads.php Installation Configuration: Tar-zxf phpMyAdmin-3.3.7-all-languages.tar.gzCP-RF

In actual development today, we will discuss the problem of porting a MySQL database. copy the database files in local data to test on another machine and execute show tables. The database table is displayed, but the error is returned for any

Alter table: add, modify, and delete table columns, constraints, and other table definitions. View column: DESC table name; Alter table t_book Rename to BBB; Add column: alter table table name Add column name varchar (30 ); Delete

First, go to the MySQL official website to download MySQL connector/C ++ Http://dev.mysql.com/downloads/connector/cpp/ Download the corresponding version based on your system platform. The folder name is too long. Change "mysql-connector-C

Dayofweek (date)The return date is the day of the week (1 = Sunday, 2 = Monday ,...... 7 = Saturday, ODBC Standard)Mysql> select dayofweek ('2017-02-03 ');-> 3Weekday (date)Returns the date of a week (0 = Monday, 1 = Tuesday ,...... 6 = Sunday

Eight methods to optimize MySQL Performance 1. select the most suitable field attribute MySQL can support access to large data volumes, but generally, the smaller the table in the database, the faster the query will be executed on it. Therefore,

I have configured MySQL before, and now it's my turn to phpMyAdmin ....   Procedure ): However, the significance of phpMyAdmin is only to make MySQL management easier for non-professionals to understand. Its essence is the execution of SQL

Software Version: Apache: apache_2.2.14-win32-x86-no_ssl.msi   1. apache2.2 Select Custom and configure the installation directory. By default, the installation directory is down. You can test it first, Enter 127.0.0.1 as the browser IP address.

The implementation method for importing SQL data from MySQL command lines is often used. The following describes the steps for importing SQL data from MySQL command lines in detail, I hope it will help you learn MySQL command lines. My personal

Steps:1. MySQL Command Line Mode settings:Desktop> my computer> Properties> environment variables> New> Path = "; Path/MySQL/bin;" path indicates the installation path of MySQL. 2. How to access MySQL through the command line:1. c: \> mysql-H

Address: http://hi.baidu.com/%D4%E7%B9%C8%C9%E7%C7%F8/blog/item/1fd6f3d04927fd86a1ec9c44.html   MySQLPerformanceHow high is it? UsedPHPFor more than half a year, it was still from the day before yesterday to think deeply about this issue. Have

When MySQL is installed in windows, the following error occurs: Access denied for user 'root' @ localhost' (using password: no, this problem is because you have installed MySQL on your machine, orAfter the new password is installed and configured

Source: http://hi.baidu.com/loveyurui/blog/item/1c657ac9131b9a15bf09e67d.html   + ---- + ------ +| ID | Sal | num |+ ---- + ------ +| 13 | 600 | 10 || 14 | 200 | 10 || 15 | 300 | 10 |+ ---- + ------ +   The compiled MySQL trigger is as

From: http://hi.baidu.com/anson7722/blog/item/dd0f5c02357f5b024afb51ba.html Explain is a keyword used by MySQL to explain select queries and can be easily used for debugging.Syntax format:Explain tbl_nameOr:Explain select select_optionsThe explain

Discuz is slow. when MySQL is frequently rushed to MySQL 100%, find the cause. Here, we will first write down the slow query log of MySQL on a Windows host, as shown below:Run the CMD command line in the bin directory of MySQL. net stop mysql. Find

Q: How can I filter repeated items using group by? Could you give me an example?   Answer: Example AA Table a B 123 10 123 12 1234 11 1234 14 first, group is used to group data, not to filter duplicate items. Duplicate deletion statement distinct

There are two types of indexes in InnoDB: B + tree indexes and hash indexes. The hash index is self-adaptive. The storage engine automatically creates a hash index based on the table usage and cannot interfere with the hash index. 1. Clustered Index

Show processlist shows which threads are running. You can also useMysqladmin processlistStatement. If you have super permission, you can see all the threads. Otherwise, you can only view your own thread (that is, the Thread associated with the MySQL

Mycheckpoint Http://code.openark.org/forge/mycheckpoint   Lightweight, SQL Oriented Monitoring for MySQL MycheckpointIs an open source monitoring utility for MySQL, with strong emphasis on user accessibility to monitored data. It isSQL oriented:

Nginx source package: http://www.nginx.org/download/nginx-0.7.65.tar.gzPHP source package: http://cn.php.net/distributions/php-5.2.11.tar.gzPhp-FPM Patch: http://php-fpm.org/downloads/php-5.2.11-fpm-0.5.13.diff.gz I. PreparationsUse the wget command