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sp_helpserver (Transact-SQL)

  • Άρθρο

Applies to: SQL Server

Reports information about a particular remote or replication server, or about all servers of both types. Provides the server name, the network name of the server, the replication status of the server, the identification number of the server, and the collation name. Also provides time-out values for connecting to, or queries against, linked servers.

Transact-SQL syntax conventions

Syntax

sp_helpserver
    [ [ @server = ] N'server' ]
    [ , [ @optname = ] 'optname' ]
    [ , [ @show_topology = ] 'show_topology' ]
[ ; ]

Arguments

[ @server = ] N'server'

Specifies the server about which information is reported. @server is sysname, with a default of NULL. When server isn't specified, returns information about all servers in master.sys.servers.

[ @optname = ] 'optname'

The option describing the server. @optname is varchar(35), and must be one of these values.

Value Description
collation compatible Affects the Distributed Query execution against linked servers. If this option is set to true,
data access Enables and disables a linked server for distributed query access.
dist Distributor.
dpub Remote Publisher to this Distributor.
lazy schema validation Skips schema checking of remote tables at the beginning of the query.
pub Publisher.
rpc Enables RPC from the specified server.
rpc out Enables RPC to the specified server.
sub Subscriber.
system Identified for informational purposes only. Not supported. Future compatibility is not guaranteed.
use remote collation Uses the collation of a remote column instead of the local server's collation.

[ @show_topology = ] 'show_topology'

The relationship of the specified server to other servers. @show_topology is varchar(1), with a default of NULL. If @show_topology isn't equal to t or is NULL, sp_helpserver returns columns listed in the Result Sets section. If @show_topology is equal to t, in addition to the columns listed in the result set, sp_helpserver also returns topx and topy information.

Return code values

0 (success) or 1 (failure).

Result set

Column name Data type Description
name sysname Server name.
network_name sysname Network name of the server.
status varchar(70) Server status.
id char(4) Identification number of the server.
collation_name sysname Collation of the server.
connect_timeout int Time-out value for connecting to linked server.
query_timeout int Time-out value for queries against linked server.

Remarks

A server can have more than one status.

Permissions

No permissions are checked.

Examples

A. Display information about all servers

The following example displays information about all servers by using sp_helpserver with no parameters.

USE master;
GO
EXEC sp_helpserver;

B. Display information about a specific server

The following example displays all information about the SEATTLE2 server.

USE master;
GO
EXEC sp_helpserver 'SEATTLE2';

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