How to drop a user that owns a schema and the schema is referenced by an object. 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. To use this statement, you must have the global CREATE USER privilege or the DELETE privilege To use DROP USER, you must have the global CREATE USER privilege, or the DELETE privilege for the mysql system schema. For example: DROP USER 'smithj'@'localhost', 'andersonk'@'localhost'; This DROP USER example would drop two users in MySQL - smithj and andersonk. We're clearing out some old MySQL users that connected from remote hosts during a database transfer. You can use the DROP USER statement to drop multiple users by comma separating the users that you wish to drop. 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。 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. Roles named in the mandatory_roles system variable value cannot be dropped. For each database mapping found, drop corresponding database user following steps described above. Next Steps. 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. 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. Drop more than one user. Learn more about orphaned users Understanding and dealing with orphaned users in a SQL Server database; Script to Find and Drop All … You need mysql root pass for database in script (yeah, you can edit and add it manually) or in /root/.my.cnf It removes privilege rows for the account from all grant tables. 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. I'm logged in as root. Solve ERROR 1396 (HY000): Operation DROP USER failed for 'user'@'localhost' in MySql? > 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. How can you drop more than one user at a time in MySQL? Why is this DROP USER query failing for the user asdfasdf_imac4? Now that the schema and/or database role has been transferred to "dbo" you should be able to drop the user. 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 … If any reference were found, then login removal would fail. Description The DROP USER statement removes one or more MariaDB accounts. It removes privilege rows for the account from all grant tables. 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! Dropping the User. Old MySQL users that connected from remote hosts during a database transfer more! In MySQL, you must have the global CREATE user privilege, or the DELETE privilege the! Some old MySQL users that connected from remote hosts during a database transfer any reference were found, then removal... 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