add: rename database name shell script

tools/misc/renamedb.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+dbuser=root
+dbpasswd=1000omc@kp!
+
+mysql -u$dbuser -p$dbpasswd -e 'create database if not exists $2;'
+list_table=$(mysql -u$dbuser -p$dbpasswd -Nse "select table_name from information_schema.TABLES where TABLE_SCHEMA='$1'")
+
+for table in $list_table
+do
+    mysql -u$dbuser -p$dbpasswd -e "rename table $1.$table to $2.$table"
+done