Rename MySQL database [duplicate]

I created a database with the name of hrms. Now I need to change database name to sunhrm. But, It is disabled in MySQL workbench. Can I do that on the Linux server itself?

Solution 1:

In case you need to do that from the command line, just copy, adapt & paste this snippet:

mysql -e "CREATE DATABASE \`new_database\`;"
for table in `mysql -B -N -e "SHOW TABLES;" old_database`
do 
  mysql -e "RENAME TABLE \`old_database\`.\`$table\` to \`new_database\`.\`$table\`"
done
mysql -e "DROP DATABASE \`old_database\`;"

Solution 2:

I don't think you can do this. Basic answers will work in many cases, and in others cause data corruptions. A strategy needs to be chosen based on heuristic analysis of your database. That is the reason this feature was implemented, and then removed. [doc]

You'll need to dump all object types in that database, create the newly named one and then import the dump. If this is a live system you'll need to take it down. If you cannot, then you will need to setup replication from this database to the new one.

If you want to see the commands that could do this, @satishD has the details, which conveys some of the challenges around which you'll need to build a strategy that matches your target database.

Solution 3:

It's possible to copy database via mysqldump command without storing dump into file:

1. mysql -u root -p -e "create database my_new_database"
2. mysqldump -u root -p original_database | mysql -u root -p my_new_database
3. mysql -u root -p -e "drop database original_database"

Solution 4:

You can create a new database exactly as the previous database existed and then drop the old database when you're done. Use the mysqldump tool to create a .sql backup of the database via mysqldump orig_db > orig_db.sql or if you need to use a username and password then run mysqldump -u root -p orig_db > orig_db.sql. orig_db is the name of the database you want to "rename", root would be the user you're logging in as and orig_db.sql would be the file created containing the backup. Now create a new, empty database with the name you want for the database. For example, mysql -u root -p -e "create database new_db". Once that's done, then run mysql -u root -p new_db < orig_db.sql. new_db now exists as a perfect copy of orig_db. You can then drop the original database as you now have it existing in the new database with the database name you wanted.

The short, quick steps without all the above explanation are:

1. mysqldump -u root -p original_database > original_database.sql
2. mysql -u root -p -e "create database my_new_database"
3. mysql -u root -p my_new_database < original_database.sql
4. mysql -u root -p -e drop database originl_database

Hope this helps and this is a reliable means to accomplish it without using some ad-hoc method that will corrupt your data and create inconsistencies.

Solution 5:

You can do it by RENAME statement for each table in your "current_db" after create the new schema "other_db"

RENAME TABLE current_db.tbl_name TO other_db.tbl_name

Source Rename Table Syntax