Security Functions (Transact-SQL)

**APPLIES TO:** ![yes](media/yes.png)SQL Server (starting with 2012) ![no](media/no.png)Azure SQL Database ![no](media/no.png)Azure SQL Data Warehouse ![no](media/no.png)Parallel Data Warehouse

The following functions return information that is useful in managing security. Additional functions are listed under Cryptographic Functions (Transact-SQL).

CERTENCODED (Transact-SQL)	PWDCOMPARE (Transact-SQL)
CERTPRIVATEKEY (Transact-SQL)	PWDENCRYPT (Transact-SQL)
CURRENT_USER (Transact-SQL)	SCHEMA_ID (Transact-SQL)
DATABASE_PRINCIPAL_ID (Transact-SQL)	SCHEMA_NAME (Transact-SQL)
sys.fn_builtin_permissions (Transact-SQL)	SESSION_USER (Transact-SQL)
sys.fn_get_audit_file (Transact-SQL)	SUSER_ID (Transact-SQL)
sys.fn_my_permissions (Transact-SQL)	SUSER_SID (Transact-SQL)
HAS_PERMS_BY_NAME (Transact-SQL)	SUSER_SNAME (Transact-SQL)
IS_MEMBER (Transact-SQL)	SYSTEM_USER (Transact-SQL)
IS_ROLEMEMBER (Transact-SQL)	SUSER_NAME (Transact-SQL)
IS_SRVROLEMEMBER (Transact-SQL)	USER_ID (Transact-SQL)
ORIGINAL_LOGIN (Transact-SQL)	USER_NAME (Transact-SQL)
PERMISSIONS (Transact-SQL)

For information about membership in Windows groups, see xp_logininfo (Transact-SQL) and xp_enumgroups (Transact-SQL).

Security Functions (Transact-SQL)

See Also