MySQL

MySQL installation, for MySQL different version of the MySQL source code compilation method is not the same 5.6.2 version of the beginning of the compilation method has been changed from configure to CMake mode, the relevant new compilation method

test Environment: Both the server and client are WIN7,MYSQL databases, the table character set is Utf-8, and the field character set is consistent with the table. 1, the use of MySQL command to operate the garbled problem solved.(1) Setting the

1. Forget the root passwordEdit MySQL Master profile my.cnf in the [Mysqld] field to add parameters skip-grant, restart the database service, so that you can enter the database without authorization mysql-uroot, modify the corresponding user

I. General steps to optimize SQLA) through show STATUS; commands to understand the frequency of execution of various SQLSHOW [session| GLOBAL] STATUS;SESSION (default) indicates the current connectionGLOBAL indicates that the database has been

Overview of log file types:1.Error logging issues that occur when you start, run, or stop mysqld.My.ini configuration information:#Enter a name for the error log file. Otherwise a default name would be used.#log-error=d:/mysql_log_err.txt2.Query

The company has an internal forum database, relatively small 1G or so, the version is MySQL 5.1, in the export database times error is as follows:[Email protected] ~]# mysqldump-uroot-p xxxx > xxxxxenter password:mysqldump:Got error:1016:can ' t

1. Write the SQL script, assuming the following:Create Database Dearabao;Use Dearabao;CREATE TABLE Niuzi (name varchar (20));Save the script file, assuming I save it in the Hello World directory on the F drive, the path to the file is: F:\hello

MySQL describes two problems in 15.2.10.5, and gives the solution separately.1. Write the data to the child table, but before writing, make sure that its corresponding information exists in the parent table.It may appear that the data in the parent

Stored Procedures and functions:To create the sample code:DELIMITER $ $CREATE PROCEDURE proc (in c_id int, in C_name VARCHAR (a), out Count INT) READS SQL databegin SELECT * F ROM course WHERE cou_no = c_id OR cou_name = c_name;

How does MySQL connect?(cmd) >>>mysql-h localhost-u username-p Password-H if not written, the default is localhostor/g command to end.\c exitShow multiple databases: show databases;Create a database table: the name of the created databases table,

Ashamed to say, MySQL I've been only going to use, very appreciative stage.Even some more deep-seated management, unfamiliar how, we have to strengthen AH!Recent. System test, using MySQL database, you need to create a trigger on the table. The

This blog post records people to solve a "user cannot register" the process of the problem1 Problem Description:Users can delete, but not register, or modify permissions:Figure 1 User Registration failureFigure 2 Error modifying user permissions2

Start/Stop database Sudo /applications/xampp/xamppfiles/bin/mysql.server start (stop) connection database bash-3.2# / applications/xampp/xamppfiles/bin/mysql -u root -penter password:  Show All Databases mysql>  show databases;+--------------------+|

method, the online approach is to add a line "Skip-name-resolve" under My.ini's "[Mysqld]", just like this:Then save and restart the MySQL service.Service mysqld RestartThe so-called inverse parsing is this:When MySQL receives the connection request,

MySQL Database garbled solution methodA principle of solving garbled problems: Access systems use consistent coding rules.Use MySQL's native command line more, so you can do more things.?The first step:Identify the encoding your application needs to

1 , initialize MySQL database (actually MySQL table, test table, infomation table)# Cd/mysql/mysql# scripts/mysql_install_db--user=mysql--basedir=/mysql/mysql--datadir=/data/33072 , copy the startup

D-2.1   Add an instance (3309instance)D-2.1.1 , create a directory# Cd/data# mkdir 3309/data D-2.1. 2. Create my.cnf file in/data/3309[Client]port=3309Socket=/data/3309/mysql.sockPrompt=\\[email protected] \\r:\\m:\\s->[Mysqld]Basedir

f.1 mysqldumpThe working principleThe process of backing up data with the mysqldump command is actually the process of outputting or generating a backup file directly from the MySQL library in the form of a logical SQL statement.F.2

1 , first to cut the binary fileBecause it is on-line recovery, the binary file will also write the recovery process to the inside when recovering, so the binary file is cut firstShell >mysqladmin-h 127.0.0.1-uroot-poracle Flush-logCan see,

1. Change the table method. It may be that your account is not allowed to log on remotely, only on localhost. This time, as long as the computer on the localhost, log in to MySQL, change the "MySQL" Database in the "User" table "host", from