I'm logged in as root. Description The DROP USER statement removes one or more MariaDB accounts. The last scenario, when we try to drop a database user that owns a database schema and also this schema is referenced by a database object. 当您创建具有'％'的用户时，如果您使用localhost删除用户，则会发生此错误。 让我们用'％'创建一个用户，然后将该用户删除为本地主机。 You need mysql root pass for database in script (yeah, you can edit and add it manually) or in /root/.my.cnf Why is this DROP USER query failing for the user asdfasdf_imac4? Dropping the User. Learn more about orphaned users Understanding and dealing with orphaned users in a SQL Server database; Script to Find and Drop All … Solve ERROR 1396 (HY000): Operation DROP USER failed for 'user'@'localhost' in MySql? For example: DROP USER 'smithj'@'localhost', 'andersonk'@'localhost'; This DROP USER example would drop two users in MySQL - smithj and andersonk. It removes privilege rows for the account from all grant tables. We're clearing out some old MySQL users that connected from remote hosts during a database transfer. Roles named in the mandatory_roles system variable value cannot be dropped. But got ERROR 1396 (HY000) at line 1: Operation DROP USER failed for 'pma'@'localhost' Two reasons of "DROP failed": - you don't have PMA user - you don't have access to db to drop user. The DROP USER statement removes one or more MySQL accounts and their privileges. Documented in the 5.0.56, 5.1.24, and 6.0.5 changelogs as follows: A DROP USER statement that failed on the master were written to the binlog, as was a duplicate CREATE USER statement; either of these occurrences could cause the slave to fail. If any reference were found, then login removal would fail. Now that the schema and/or database role has been transferred to "dbo" you should be able to drop the user. It removes privilege rows for the account from all grant tables. ERROR 1396 (HY000): Operation DROP USER failed for 'database_user'@'localhost' ... DROP USER IF EXISTS 'database_user'@'localhost'; Query OK, 0 rows affected, 1 warning (0.00 sec) Grant permissions to a MySQL user account # There are multiple types of privileges that can be granted to a user … Drop more than one user. > Now I want to make it a slave again, but it stops partway through > catching up on the binary logs, with this error: > Operation CREATE USER failed for 'replication'@'[host]' > (where [host] is the slave's hostname) > > Here is the procedure I followed to make it a slave: > > 1. drop database our_main_db; > create database our_main_db; > > 2. To use DROP USER, you must have the global CREATE USER privilege, or the DELETE privilege for the mysql system schema. Note This operation may fail and we could add an additional step that would check in each database if there are usages of references to database users mapped with the login we want to drop. The command is as follows: DROP USER 'testuser'@'localhost'; If a user of the name testuser does not exist, then you’ll receive this error: ERROR 1396 (HY000): Operation DROP USER failed for 'testuser'@'localhost' Refer to the View a List of MySQL Users section above if you receive the above error, and double check the username and host. SQL queries related to “ERROR 1396 (HY000): Operation DROP USER failed for 'ananyapam'@'%'” ERROR 1396 (HY000): Operation DROP USER failed for 'hiveusr'@'localhost' Learn how Grepper helps you improve as a Developer! You can use the DROP USER statement to drop multiple users by comma separating the users that you wish to drop. For each database mapping found, drop corresponding database user following steps described above. Next Steps. To use this statement, you must have the global CREATE USER privilege or the DELETE privilege How to drop a user that owns a schema and the schema is referenced by an object. 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