Drop all tables in MySQL database

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Drop all tables in MySQL database

Drop all tables in MySQL database Answer: MySQL does not have a command for removing all database table(s) without dropping the database, to do so, you need the following tricks: # mysqldump -u[USERNAME] -p[PASSWORD] --add-drop-table --no-data [DATAB…

How to Baskup and Restore a MySQL database

If you're storing anything in MySQL databases that you do not want to lose, it is very important to make regular backups of your data to protect it from loss. This tutorial will show you two easy ways to backup and restore the data in your MySQL data…

ubuntu中为hive配置远程MYSQL database

一.安装mysql $ sudo apt-get install mysql-server 启动守护进程 $ sudo service mysql start 二.配置mysql服务与连接器 1.安装mysql连接器 $ sudo apt-get install libmysql-java 注:将/usr/share/java/下的连接器jar包copy到$HIVE_HOME/lib下如图所示 2.设置mysql root密码 $ sudo /usr/bin/mysql_secure_inst…

mysql提示Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist解决方法

一次重启mysql发现无法启动成功,通过检查mysql日志发现问题并解决了问题. mysql启动失败的日志: [root@nn ~]# tail -n 20 /var/log/mysqld.log 130924 10:14:54 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist 130924 10:14:54 mysqld_safe mysqld from pid…

What is a schema in a MySQL database?

摘自:https://www.quora.com/What-is-a-schema-in-a-MySQL-database What is schema? In MySQL, physically, a schema is synonymous with a database. You can substitute the keyword schema instead of database in MySQL SQL syntax, for example using create schema…

Backup and Restore MySQL Database using mysqlhotcopy

mysqlhotcopy is a perl script that comes with MySQL installation. This locks the table, flush the table and then performs a copy of the database. You can also use the mysqlhotcopy to automatically copy the backup directly to another server using scp.…

SQL Server 游标运用：查看所有数据库所有表大小信息（Sizes of All Tables in All Database）

原文:SQL Server 游标运用:查看所有数据库所有表大小信息(Sizes of All Tables in All Database) 一.本文所涉及的内容(Contents) 本文所涉及的内容(Contents) 背景(Contexts) 实现代码(SQL Codes) 方法一:游标 + 系统存储过程sp_MSForEachDB 方法二:封装sp_MSforeachtable + sys.databases 方法三:系统存储过程sp_MSForEachDB + sp_MSforeacht…