Check out example codes for "mysql drop database". It will help you in understanding the concepts better.
Code Example 1
DROP DATABASE IF EXISTS database_name;
Code Example 2
The DROP DATABASE statement drops all tables in the database and deletes the database permanently. Therefore, you should be very careful when using this statement. The following shows the syntax of the DROP DATABASE statement: DROP DATABASE [IF EXISTS] database_name; In MySQL, the schema is the synonym for the database, therefore, you can use them interchangeably: DROP SCHEMA [IF EXISTS] database_name;
Code Example 3
mysql -e "DROP DATABASE db_name;"
Code Example 4
DROP DATABASE ma_base
Code Example 5
DROP DATABASE databasename
Code Example 6
DROP DATABASE dbname
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