Second, grant all privileges to fx: GRANT ALL ON *.*
Second, use the RENAME USER statement to rename these two users: RENAME TO TO language: SQL (Structured Query Language) ( sql )Ĭode language: SQL (Structured Query Language) ( sql ) C) Using MySQL RENAME USER to rename a user account associated with a stored procedureįirst, create a new user account called fx: CREATE USER fx WHERE user = 'doe' and host = 'localhost' Ĭode language: SQL (Structured Query Language) ( sql ) B) Using MySQL RENAME USER to rename multiple user accounts exampleįirst, create two user accounts and CREATE USER BY 'Super!pass1' Third, query data from the er to verify the rename: SELECT host, user FROM er Second, use the RENAME USER to rename user RENAME USER language: SQL (Structured Query Language) ( sql ) A) Using MySQL RENAME USER to rename one user exampleįirst, create a new user called CREATE USER BY 'Super!pass1'
Let’s take some examples of using the MySQL RENAME USER statement. If you rename the old user, then you will get an error if you execute the stored procedure. And this stored procedure executes in the definer security context. However, it does not drop or invalidate database objects that are dependent on old users.įor example, assuming that you have a stored procedure whose the DEFINER attribute specifies the old user. The RENAME USER transfers all privileges of the old users to the new users. If you want to rename multiple user accounts at once, you use the following syntax: RENAME USER
The new name must not exist or you will get an error.
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Summary: in this tutorial, you will learn how to use the MySQL RENAME USER statement to rename existing user accounts. IF EXISTS: DROP USER bob ERROR 1396 ( HY000 ): Operation DROP USER failed for 'bob' '%' DROP USER IF EXISTS bob Query OK, 0 rows affected, 1 warning ( 0. Examples DROP USER bob DROP USER foo2 localhost, foo2 '127.%' If the IF EXISTS clause is used, MariaDB will return a note instead of an error if the user does not exist. Only one error is produced for all users which have notīeen dropped: ERROR 1396 (HY000): Operation DROP USER failed for CREATE or DROP operations, for both users and roles, produce the If an error occurs, DROP USER will still drop the accounts that do If any of the specified user accounts do not exist, ERROR 1396 (HY000) Note that, if you specify an account that is currently connected, it will notīe deleted until the connection is closed. For additional information about specifying account names, see
Only the user name part of the account name, a host name part of '%' is Or the DELETE privilege for the mysql database.Įach account is named using the same format as for the CREATE USER You must have the global CREATE USER privilege Privilege rows for the account from all grant tables. The DROP USER statement removes one or more MariaDB accounts.
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