安全快速修改Mysql数据库名的5种方法

CREATE DATABASE new_db_name;
RENAME TABLE db_name.table1 TO new_db_name.table1,
db_name.table2 TO new_db_name.table2;
DROP DATABASE db_name;

mysqldump -uxxxx -pxxxx -h xxxx db_name > db_name_dump.SQL
mysql -uxxxx -pxxxx -h xxxx -e “CREATE DATABASE new_db_name”
mysql -uxxxx -pxxxx -h xxxx new_db_name < db_name_dump.SQL
mysql -uxxxx -pxxxx -h xxxx -e “DROP DATABASE db_name”

#!/bin/bash

mysqlconn=”mysql -u xxxx -pxxxx -S /var/lib/mysql/mysql.sock -h localhost”
olddb=”db_name”
newdb=”new_db_name”

#$mysqlconn -e “CREATE DATABASE $newdb”
params=$($mysqlconn -N -e “SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='$olddb'”)

for name in $params; do
$mysqlconn -e “RENAME TABLE $olddb.$name to $newdb.$name”;
done;

#$mysqlconn -e “DROP DATABASE $olddb”