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Here is a workaround for the DROP INDEX IF EXISTS, that is missing in MySQL and MariaDB versions before v10.1.4. You can also use it for every other statement you want, that should be depend on the existence of an INDEX (e.g. for SELECT "info: index exists." like in the example below).
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.
17 Ιαν 2023 · I do not see any straight-forward way to DROP INDEX using IF EXISTS. As a workaround, I wrote the following Procedure, which works for me. IN i_table_name VARCHAR(128), IN i_index_name VARCHAR(128) BEGIN. SET @tableName = i_table_name; SET @indexName = i_index_name; SET @indexExists = 0; SELECT.
DROP DATABASE [IF EXISTS] database_name; Code language: SQL (Structured Query Language) (sql) In this statement, you specify the name of the database which you want to delete after the DROP DATABASE keywords.
The MySQL DROP DATABASE Statement. 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.
25 Ιαν 2024 · 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.
You can drop/delete/remove a database from MySQL mainly in two ways: MySQL Command Line Client; MySQL Workbench; Dropping a MySQL database using Command Line Client. The DROP DATABASE statement allows us to drop a database from the MySQL server permanently. This will delete all the tables and other objects from that database. Therefore, you ...
