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DROP {DATABASE | SCHEMA} [IF EXISTS] db_name. DROP DATABASE drops all tables in the database and deletes the database. Be very careful with this statement! To use DROP DATABASE, you need the DROP privilege on the database. DROP SCHEMA is a synonym for DROP DATABASE.
26 Σεπ 2016 · DROP USER IF EXISTS 'foo'@'localhost'; DROP USER IF EXISTS 'foo'@'%'; DROP DATABASE IF EXISTS foobar; As mentioned below: the user if not exists only works on mysql 5.7 and higher. Do not use the create user syntax below 5.7, but change the grant statement to:
The DROP DATABASE statement is used to drop an existing SQL database. Syntax. DROP DATABASE databasename; Note: Be careful before dropping a database. Deleting a database will result in loss of complete information stored in the database! DROP DATABASE Example. The following SQL statement drops the existing database "testDB":
The DROP DATABASE statement drops all tables in the database and deletes the database permanently. Therefore, you need to be very careful when using this statement. The following shows the syntax of the DROP DATABASE statement: DROP DATABASE [IF EXISTS] database_name; Code language: SQL (Structured Query Language) (sql)
25 Ιαν 2024 · Example: mysql> DROP DATABASE IF EXISTS databasename; . mysql> SHOW DATABASES; Notes: Dropping a database with this command is irreversible and should only be done when you are certain of the decision. Use the IF EXISTS option to prevent errors in case the database does not exist.
MySQL DROP DATABASE Statement. The DROP DATABASE statement deletes the entire database. A directory under the data directory represents a MySQL database. Before dropping the database, MySQL removes its database objects, such as database tables, views, stored procedures, triggers, etc.
20 Δεκ 2023 · Example 2: Dropping a Database If It Exists. If you want to drop a database only if it exists, you can use the IF EXISTS clause. Here’s an example: DROP DATABASE IF EXISTS mydatabase; This command will check if the database “mydatabase” exists. If it does, it will be dropped. If it doesn’t exist, no error will be thrown. Conclusion. The ...
