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sp_helplogins (Transact-SQL)

  • Straipsnis

Applies to: SQL Server

Provides information about logins and the users associated with them in each database.

Transact-SQL syntax conventions

Syntax

sp_helplogins [ [ @LoginNamePattern = ] N'LoginNamePattern' ]
[ ; ]

Arguments

[ @LoginNamePattern = ] N'LoginNamePattern'

@LoginNamePattern is sysname, with a default of NULL.

A login name. @LoginNamePattern is sysname, with a default of NULL. @LoginNamePattern must exist if specified. If @LoginNamePattern isn't specified, information about all logins is returned.

Return code values

0 (success) or 1 (failure).

Result set

The first report contains information about each login specified, as shown in the following table.

Column name Data type Description
LoginName sysname Login name.
SID varbinary(85) Login security identifier (SID).
DefDBName sysname Default database that LoginName uses when connecting to an instance of SQL Server.
DefLangName sysname Default language used by LoginName.
Auser char(5) Yes = LoginName has an associated user name in a database.

No = LoginName doesn't have an associated user name.
ARemote char(7) Yes = LoginName has an associated remote login.

No = LoginName doesn't have an associated login.

The second report contains information about users mapped to each login, and the role memberships of the login as shown in the following table.

Column name Data type Description
LoginName sysname Login name.
DBName sysname Default database that LoginName uses when connecting to an instance of SQL Server.
UserName sysname User account that LoginName is mapped to in DBName, and the roles that LoginName is a member of in DBName.
UserOrAlias char(8) Member of = UserName is a role.

User = UserName is a user account.

Remarks

Before removing a login, use sp_helplogins to identify user accounts that are mapped to the login.

Permissions

Requires membership in the securityadmin fixed server role.

To identify all user accounts mapped to a given login, sp_helplogins must check all databases within the server. Therefore, for each database on the server, at least one of the following conditions must be true:

  • The user that is executing sp_helplogins has permission to access the database.

  • The guest user account is enabled in the database.

If sp_helplogins can't access a database, sp_helplogins will return as much information as it can and display error message 15622.

Examples

The following example reports information about the login John.

EXEC sp_helplogins 'John';
GO

Here's the result set.

LoginName SID                        DefDBName DefLangName AUser ARemote
--------- -------------------------- --------- ----------- ----- -------
John      0x23B348613497D11190C100C  master    us_english  yes   no

LoginName   DBName   UserName   UserOrAlias
---------   ------   --------   -----------
John        pubs     John       User

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