How do I drop multiple databases in MySQL?

The fastest way I found was to directly dump all the databases and then remove the ones I didn’t want to delete. To create a SQL file with all the database names execute this on the terminal: mysql -u {YOUR-MYSQL-USER} -p{YOUR-MYSQL-PASSWORD} -e “SHOW DATABASES” > deletable-dbs.

How do I drop multiple databases?

Take all the databases using the below command. SHOW DATABASES ; Paste all of them in an excel/some other text file (I prefer NPP). Keep the only names which you want to delete from the list.

How do I drop all databases?

You can build a series of DROP DATABASE queries directly using MySQL : — Prevent truncation SET SESSION group_concat_max_len = 1000000; SELECT GROUP_CONCAT( DISTINCT CONCAT(‘DROP DATABASE ‘, table_schema, ‘;’) SEPARATOR ” ) FROM information_schema. tables WHERE table_schema NOT IN (‘mysql’, ‘information_schema’);

How do I drop a database in MySQL?

First list all databases on your server. Use the command ‘SHOW DATABASES;’ in the mysql-console like in the example above. Now copy the name of the database you want to delete. To do delete a database you need the command ‘DROP DATABASE‘.

How do I drop all databases in SQL Server?

9 Answers. You can do this through the SSMS GUI. Select the Databases node then F7 to bring up Object Explorer Details, Select all databases that you want to delete, Hit “Delete” and select the “Close Existing Connections” and “Continue after error” options.

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What is drop table if exists?

If a table is dropped and there are associated views, stored procedures or functions that were created without schema binding, then stored procedures, functions, and views will still exist but will no longer work.

How do you create a database if not exists?

IF NOT EXISTS (SELECT 1 FROM sys. databases WHERE name = N’DBNAME’) BEGIN CREATE DATABASE [DBNAME] END; IF NOT EXISTS (SELECT name FROM sys. databases WHERE name = N’DBNAME’) BEGIN CREATE DATABASE [DBNAME] END; IF NOT EXISTS (SELECT name FROM master.

How can I see MySQL database?

Show MySQL Databases

The most common way to get a list of the MySQL databases is by using the mysql client to connect to the MySQL server and run the SHOW DATABASES command. If you haven’t set a password for your MySQL user you can omit the -p switch.

Which type of below DBMS is MySQL?

The correct answer to the question “Which type of Database Management System is MySQL” is option C. Relational. MySQL is an RDBMS, that is Relational Database Management System and is open-source and was developed in the year 1995. It one of the most popular RDBMS options out there since its inception.

How do you drop in SQL?

A DROP statement in SQL removes a component from a relational database management system (RDBMS). Syntax: DROP object object_name Examples: DROP TABLE table_name; table_name: Name of the table to be deleted. DROP DATABASE database_name; database_name: Name of the database to be deleted.

What does it mean to drop a database?

Dropping a database deletes the database from an instance of SQL Server and deletes the physical disk files used by the database. If the database or any one of its files is offline when it is dropped, the disk files are not deleted. These files can be deleted manually by using Windows Explorer.

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