mysql>drop tableIFEXISTStest4;QueryOK,0rows affected,1warning(0.00sec)mysql>create tabletest4(->a int notnullcomment'字段a',->b int notnulldefault0comment'字段b',->primarykey(a)->);QueryOK,0rowsaffected(0.02sec)mysql>insert intotest4(a,b)values(1,1);QueryOK,1rowaffected(0.00sec)mysq...
datadir=/var/lib/mysql log-bin=mysql-bin server-id=20 socket=/var/lib/mysql/mysql.sock 1. 2. 3. 4. 5. 6. 2.重启服务 [root@master ~]# systemctl restart mariadb 1. 3.登录并设置主从复制 [root@slave ~]# mysql -uroot -p123456 Welcome to the MariaDB monitor. Commands end with ...
1[mysql@localhost ~]$ mysql -u root -p2Enter password:3Welcome to the MariaDB monitor. Commands end with ;or\g.4Your MySQL connection idis95Server version: 5.7.18-log MySQL Community Server (GPL)6Copyright (c) 2000, 2014, Oracle, MariaDB Corporation Abandothers.7Type'help;'or'\h'fo...
Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 7344941 to server version: 5.1.9-beta-log Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> 1. 2. 3. 4. 5. 6. 在以上命令行中,mysql 代表客户端命令,-u 后面跟连接的数...
进入Mysql (---其中Your MySQL connection id is 5表示到当前为止连接到Mysql数据库的次数,Server version: 5.5.37-log Source distribution表示Mysql数据库的版本) [wh42@e3ddba11 data]$ mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. ...
MySQL Tutorial: A Comprehensive Guide for Beginners Discover what MySQL is and how to get started in one of the most popular database management systems. Javier Canales Luna 15 min Tutorial SQL Commands for Data Scientists Learn the basic and essential commands for SQL with examples and a worksp...
UseTRUNCATE TABLEto empty a table, notDELETE FROMtbl_name. Foreign key constraints can make aTRUNCATEstatement work like a regularDELETEstatement, in which case a sequence of commands likeDROP TABLEandCREATE TABLEmight be fastest. Because the primary key is integral to the storage layout of each...
[18 Aug 2022 11:38] MySQL Verification Team Hi Mr. xie, Thank you for your bug report. However, you are using an old release. Please, let us know how this variable behaves in 8.0.30. Also, do not like whether variable is changed in a debugger, but, please use I_S commands to...
The commands in the Command usage sections in this document are in interactive mode. In command-line mode, you need to add the escape characters to avoid an error report. Do not use unlock-ddl-lock or break-ddl-lock unless you are totally aware of the possible impacts brought by the comm...
PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all. I understand the commands that are listed here. Instructions for interacting with...