MySQL

Reprinted from: http://ourmysql.com/archives/1293Database data is mistakenly deleted is often seen, the recovery of data has naturally become the DBA is a very important basic effort, the more clumsy way is to pull the historical backup to another

MYSQL No installation files exe execution time flash backMySQL flash back or can not connect 127.0.0.1APP Lego mainstream model compatibility free test»MySQL official online download mysqlHowever, the installer is not found. It is said that the

MySQL inserts multiple records using INSERT, what should I do? Here is a detailed description of how MySQL inserts multiple records using insert for your reference.See this title maybe everyone will ask, this has what to say, call multiple INSERT

Available in three ways: Mysql-connector, Mysqldb,torndb (two packages for mysqldb)Mysql-connector: Cursors are weak references and cannot be encapsulated into functionsMYSQLDB: can be encapsulated into functionsTORNDB: The return value can be

Recently developed is to use MySQL database, before installation, each time open navicat Premium are prompted "trial one months", "registration", and then for convenience, have selected the trial,One months later, it is necessary to enter the

MySQL supports several storage engines as processors of different table types, and the MySQL storage engine includes the engine that handles transaction security tables and the engine that handles non-transactional security tables: MyISAM Manage

Today in the study of MySQL found my code is: latin1 situation, should not support Chinese, although has not tried, let him modify it.Check the default situation first:Mysql> Show variables like '%collation% '; Query commands from the Internet,

The log4net configuration file is as follows:-->--> Log4net log information into the MySQL database?

declaring variablesSetting Global variablesSet @a= ' a new variable ';Variables used in functions and stored procedures DeclearDeclear a int unsigned default 1;This variable needs to be set to the type of the variable and only exists at begin. End

Using Zabbix real-time monitoring of MySQL performance, to achieve all aspects of MySQL performance control;Zabbix default will have a monitor template for MySQL (template App MySQL), just can't use directly, need to be monitored by the machine to

Mysql-5.7.10-osx10.10-x86_64Mac small test sledgehammer, install a MySQL to playDefault installation to Directory/usr/localDsmemberutil checkmembership-u mysql-g MySQLCd/usr/localLn-s mysql-5.6.27-linux-glibc2.5-x86_64 MySQLCD MySQL# Add Mysql/bin

QT4 installation Please refer to: Installing QT 4 under CentOS 6.5For MySQL installation Please refer to the following: CentOS 6.5 installation configuration MySQL1. Prevention in case, first install the Mysql-devel (must be installed!) ）。 If you do

Mysql Gtid Master-Slave copy ConstructionA Brief introductionmysql5.6 after each MySQL server has a globally unique ID number called UUID, universal Unique identification code (universally unique Identifier), The Gtid is made up of the current

Mysql dynamically creates and deletes partition tables. mysql partition tables Due to project requirements, I recently studied how to dynamically create and delete partition tables in the mysql database. If all stored procedures are used, creating

Mysql lock mechanism usage summary, mysql Lock Mechanism 1. isolation level (1) Read uncommitted (RU) At this isolation level, transactions are completely isolated and dirty reads are generated. uncommitted records can be read, which is not used in

MySQL index creation syntax, mysql index creation 1. Introduction: All mysql index column types can be indexed. Using indexes for related classes can improve the performance of select queries.Mysql IndexNumber, which can be the maximum index and

[Mysql] high-availability cluster MMM, mysql cluster mmmI,Common topology of Replication The replication architecture has the following basic principles: (1) Each slave can have only one master; (2) Each slave can have only one unique server ID; (3)

MySQL Performance-Schema (2) theory, performanceschema MySQL Performance-Schema contains a total of 52 tables, which are mainly divided into the Setup table, Instance table, Wait Event table, Stage Event TABLE Statement Event table, Connection table,

Install mysql-5.7.10-winx64.zip and mysql5.6winx64.zip 1.decompress mysql-5.7.10-winx64.zip to C: \ mysql-5.7.10-winx64 2. Change to C: \ mysql-5.7.10-winx64 \ bin with administrative permissions 2.1 set the my. ini configuration file # For advice

[Reprint] SQL statement exercises 50 questions, SQL statements Student (Sid, Sname, Sage, Ssex) Student tableCourse (Cid, Cname, Tid) curriculum SC (Sid, Cid, score) classroom table Teacher (Tid, Tname) Instructor table exercise content: 1. query