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mysql database learning collation Log in to the database Mysql-u username-p password Look at the database and note that it ends with a semicolonshow databases; # Display all databases (# is the symbol for mysql annotations) _____________________ ...

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Introduction to MySQL Binlog What is binlog? A binary log that records SQL statements that make or potentially change to data and is saved on disk as a result. What is the role of binlog? There are three main uses: Data replication (master-slave synchronization) Mysql's Master-Slave protocol enables Slave to achieve data consistency ...

1. Modify the prompt of mysql database 1.1 Temporarily modify the mysql login prompt, which expires after the session ends mysql> prompt \u@\h [\d] \r:\m:\s-> PROMPT set to '\u@\h [\d] \r:\m:\s->' root@localhost [(none)] 09:18:10->\q 1.2 Permanent modification of mysql login prompt In my.cnf configuration file, [mysql] module add ...

Original Link: http://www.cnblogs.com/jinweijie/archive/2009/09/11/deploy_subtext_on_godaddy.html   Introduction:   I used a virtual host called Maritime Interconnection The company provides, there are several problems in half a yea ...

1. Bilog cleaning of MySQL server 1.1 Using MySQL parameter control expire_logs_days Setting the expiration date of binary log, the log after the specified number of days will be deleted automatically and can be modified dynamically. If a non-zero value is set, binlog file s that exceed the defined number of days may be cleaned up when mysqld ...

MySQL download, install, configure: 1.1 Download Address: https://dev.mysql.com/downloads/mysql/1.2 Unzip, Configuration File: Unzip to the C disk'web'folder. Add the configuration file "my.ini" under the mysql-8.0.17 folder: [client] # Setting the default character set for mysql client defa ...

Backup database 1. Using the cmd command line to perform data backup: Backup command code format: Mysqldump-h database server IP-P database uses port number-u account-p password database name > save path mysqldump -h127.0.0.1 -p3306 -uroot -proot zbsqx>D:\MysqlBackup\20190807.sql Enter the above c ...

In the development of Wechat, it is very important for us to get user's detailed information through openid, including nicknames, avatars, provinces, cities and districts. But in the mobile age, many people pursue personality and use a lot of Martian characters or emoticons in their names. (I have actually tested a 20w + user's public number, n ...

Environmental Science: 192.168.205.17: as master server 192.168.205.27: as middle server 192.168.205.37: as slave server Edition: OS: centos 7 1810 with mini install mariadb-5.5.60 Purpose: If there may be a master server and a read server in the production environment, and there may be multiple slave servers, but the performance of th ...