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Data Definition Language (DDL) Statements (Transact-SQL)
DROP Statements (Transact-SQL)
DROP AGGREGATE (Transact-SQL)
DROP APPLICATION ROLE (Transact-SQL)
DROP ASSEMBLY (Transact-SQL)
DROP ASYMMETRIC KEY (Transact-SQL)
DROP BROKER PRIORITY (Transact-SQL)
DROP CERTIFICATE (Transact-SQL)
DROP CONTRACT (Transact-SQL)
DROP CREDENTIAL (Transact-SQL)
DROP CRYPTOGRAPHIC PROVIDER (Transact-SQL)
DROP DATABASE (Transact-SQL)
DROP DATABASE AUDIT SPECIFICATION (Transact-SQL)
DROP DATABASE ENCRYPTION KEY (Transact-SQL)
DROP DEFAULT (Transact-SQL)
DROP ENDPOINT (Transact-SQL)
DROP EVENT NOTIFICATION (Transact-SQL)
DROP EVENT SESSION (Transact-SQL)
DROP FULLTEXT CATALOG (Transact-SQL)
DROP FULLTEXT INDEX (Transact-SQL)
DROP FULLTEXT STOPLIST (Transact-SQL)
DROP FUNCTION (Transact-SQL)
DROP INDEX (Transact-SQL)
DROP LOGIN (Transact-SQL)
DROP MASTER KEY (Transact-SQL)
DROP MESSAGE TYPE (Transact-SQL)
DROP PARTITION FUNCTION (Transact-SQL)
DROP PARTITION SCHEME (Transact-SQL)
DROP PROCEDURE (Transact-SQL)
DROP QUEUE (Transact-SQL)
DROP REMOTE SERVICE BINDING (Transact-SQL)
DROP RESOURCE POOL (Transact-SQL)
DROP ROLE (Transact-SQL)
DROP ROUTE (Transact-SQL)
DROP RULE (Transact-SQL)
DROP SCHEMA (Transact-SQL)
DROP SERVER AUDIT (Transact-SQL)
DROP SERVER AUDIT SPECIFICATION (Transact-SQL)
DROP SERVICE (Transact-SQL)
DROP SIGNATURE (Transact-SQL)
DROP STATISTICS (Transact-SQL)
DROP SYMMETRIC KEY (Transact-SQL)
DROP SYNONYM (Transact-SQL)
DROP TABLE (Transact-SQL)
DROP TRIGGER (Transact-SQL)
DROP TYPE (Transact-SQL)
DROP USER (Transact-SQL)
DROP VIEW (Transact-SQL)
DROP WORKLOAD GROUP (Transact-SQL)
DROP XML SCHEMA COLLECTION (Transact-SQL)
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DROP LOGIN (Transact-SQL)

SQL Server 2008 R2

Removes a SQL Server login account.

Topic link icon Transact-SQL Syntax Conventions

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DROP LOGIN login_name
login_name

Specifies the name of the login to be dropped.

A login cannot be dropped while it is logged in. A login that owns any securable, server-level object, or SQL Server Agent job cannot be dropped.

You can drop a login to which database users are mapped; however, this will create orphaned users. For more information, see Troubleshooting Orphaned Users.

Requires ALTER ANY LOGIN permission on the server.

The following example drops the login WilliJo.

Copy 
DROP LOGIN WilliJo;
GO
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