Why drop database if exists?

Question

IF EXISTS is used to prevent an error from occurring if the database does not exist. If the default database is dropped, the default database is unset (the DATABASE() function returns NULL ). If you use DROP DATABASE on a symbolically linked database, both the link and the original database are deleted.

Why drop database is used?

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.

What does drop database if it exists in SQL?

To remove an existing database from a SQL Server instance, you use the DROP DATABASE statement. The DROP DATABASE statement allows you to delete one or more databases with the following syntax: DROP DATABASE [ IF EXISTS ] database_name [,database_name2,... ];

Is Drop database the same as delete database?

Simply: a DELETE command removes matching rows, a DROP command removes the entire table.

How do I drop a database that is currently in use?

In SQL Server Management Studio 2016, perform the following:1Right click on database.2Click delete.3Check close existing connections.4Perform delete operation.

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