How do you delete a user account from a database?

How do you delete a user account from a database?

Deleting a user from the database

1. Use the SQL Anywhere 12 plug-in to connect to the database as a user with DBA authority. Only a user with DBA authority can delete a user.
2. Click Users & Groups.
3. Right-click a user and then click Delete.
4. Click Yes.

How do I delete a root account in MySQL?

Locate in the directory of your application and follow these steps:

1. Load the environment ./use_yourApplication.
2. Add ‘skip-grant-tables’ to mysql/my. cnf under the [mysqld] section.
3. Restart mysql ./ctlscript restart mysql.
4. Run mysql with no user and password.
5. Run this command to delete the root user definitively:

Which query is used to remove user?

The DROP USER statement is used to remove a user from the SQL Server database.

How do I delete a SQL user that owns a schema?

Expand your database -> Security -> Schemas. In the Object Explorer Details you can see a list of the schemas and the owners: Right click on the schema that is owned by the user you want to delete and change the owner (Properties -> General -> Schema Owner).

How is the MySQL access security control?

MySQL uses security based on Access Control Lists (ACLs) for all connections, queries, and other operations that a user may attempt to perform. There is also some support for SSL-encrypted connections between MySQL clients and servers.

How do I delete a user in SQL Developer?

Use the DROP USER statement to remove a database user and optionally remove the user’s objects. When you drop a user, Oracle Database also purges all of that user’s schema objects from the recycle bin. Caution: Do not attempt to drop the users SYS or SYSTEM .

How do I drop a user?

You must have the DROP USER system privilege. Specify the user to be dropped. Oracle Database does not drop users whose schemas contain objects unless you specify CASCADE or unless you first explicitly drop the user’s objects. Specify CASCADE to drop all objects in the user’s schema before dropping the user.

What is delete command in SQL?

The Delete command in SQL is a part of the Data Manipulation Language, a sub-language of SQL that allows modification of data in databases. This command is used to delete existing records from a table. Using this, you can either delete specific records based on a condition or all the records from a table.

How do I drop a user that owns a schema in a database?

How do I drop a SQL Server user with database owner privilege?

after take schema name you can alter authorization on schema like this: ALTER AUTHORIZATION ON SCHEMA::db_owner TO dbo; in this query db_owner schema name that get from first query. finally you can delete user without error.

Which are MySQL access controls?

MySQL access control involves two stages when you run a client program that connects to the server: Stage 1: The server accepts or rejects the connection based on your identity and whether you can verify your identity by supplying the correct password.

How do I make MySQL secure against attackers?

2.3 Making MySQL Secure Against Attackers

1. Require all MySQL accounts to have a password.
2. Make sure that the only Unix user account with read or write privileges in the database directories is the account that is used for running mysqld.
3. Never run the MySQL server as the Unix root user.

How do I remove a user from a SQL Server database?

To do so, we can use SQL Server Management Studio (SSMS) as follows:

1. Open SSMS.
2. Connect to a SQL Server instance.
3. In Object Explorer, go to « Security » node then logins.
4. Right-click on the SQL Server Login you want to drop then click on “Delete”
5. SSMS will show following warning message.
6. Click on “OK”

How do I delete a username in SQL Plus?

If you want to delete a user account and its associated schema, you can log in as SYSTEM and use the DROP USER command as shown in the following example: >. \bin\sqlplus /nolog SQL> connect SYSTEM/fyicenter Connected. SQL> DROP USER DEV CASCADE; User dropped.