Sorry!

Question about synonym…

Why MSSQL accept this, but we can’t use this ???

CREATE SYNONYM [dbo].[syn_Server] FOR [ServerRemote]
CREATE SYNONYM [dbo].[syn_Db] FOR [AdventureWorks]
CREATE SYNONYM [dbo].[syn_Employee] FOR [syn_Server] .[syn_Db].dbo.Employee

after that, I read the synonym:

select name, base_object_name
from sys.synonyms
order by name

Result:

name base_object_name

syn_Server [ServerRemote]
syn_Db [AdventureWorks]
syn_svDM_Schema [dbo]
syn_Employee [syn_Server] .[syn_Db].[syn_svDM_Schema].Employee

When I try to use synonym as:

select * from dbo.syn_Employee

I got:

Msg 7202, Level 11, State 2, Line 1
Could not find server ‘ServerRemote’ in sys.servers. Verify that the correct server name was specified. If necessary, execute the stored procedure sp_addlinkedserver to add the server to sys.servers.

The question is: Why MSSQL accept the syntax when you can not use it?

Someone have a idea?

Thanks :-)

This is a great article about synonym, but i’m curious,i found one of the comments (from Mike M) about connecting two different database server,and create one queries that use table on both server. can you explain or give me a simple step by step or example queries with condition you have two database server, Server A and Server B, and then you want to display output inner join tableA1 in database AA on Server A with tableB1 in Database BB on Server B, and using synonym on it,can we do that and if we can, please tell me how. i appreciate your help for helping me.
thank you.

I have requirement where i want to rename the tables which has depdency with many objects, is there any simple solution to rename tables having dependencies wtih that table?

Thank u

Can it be done on a 2 parter like for Server.DatabaseName instead of a 4 parter?

If you are running a stored procedure as a synonym on the same server, you must not specify the server name when creating the synonym.

Setup 1 synonym for 1 DB object. You wil not be using the synonym at all. What you will be doing is pulling the Server.Database.Schema from the synonym, then use the Server.Database.Schema in String SQL.

Below is the code I am using to extract the Server.Database.Schema from the synonym. You could use the Server.Database.Schema from the synonym to dynamically build a Synonym as needed then drop when done if you do not want to use string sql.

Declare @ServerToUpdt varchar(255)
,@DBToUpdt varchar(255)
,@Schema char(3)

Select @ServerToUpdt = Replace(Replace(Left(base_object_name,charindex(‘.’,base_object_name)-1),’[',''),']‘,”)
,@DBToUpdt = Replace(Replace(Substring(base_object_name,
charindex(‘.’,base_object_name)+1,
charindex(‘.’,base_object_name,charindex(‘.’,base_object_name)+1) – charindex(‘.’,base_object_name) – 1)
,’[',''),']‘,”)
,@Schema = Replace(Replace(Substring(base_object_name,
charindex(‘.’,base_object_name,charindex(‘.’,base_object_name)+1)+1,
charindex(‘.’,base_object_name,charindex(‘.’,base_object_name,charindex(‘.’,base_object_name)+1)+1) – charindex(‘.’,base_object_name,charindex(‘.’,base_object_name)+1) – 1)
,’[',''),']‘,”)
From sys.synonyms Where name = ‘icc_SaveRptParamsCutAudit’

Print @ServerToUpdt
Print @DBToUpdt
Print @Schema

The Exec MySynProc @Param1=’A’, @Param2=’1′, @Param3=’Gold’ is on line 1186 of the stored procedure.

This stored procedure is used for a report in reporting services. The Synonym is a stored procedure used to update the application audit log table. I am updating the audit log from the report stored procedure because we are also saving the selected report parameter values in the audit log table.

The synonym works great as long as the Server defined in the synonym is different from the server the synonyn is being executed.

When the synonym is executed on the same server as defined in the synonym I get the following error:
Msg 201, Level 16, State 4, Procedure @Param1, Line 1186
Procedure or function ‘MyProc’ expects parameter ‘@Param1′, which was not supplied.

Can I not use a synonym with a stored procedure object on the same server as defined in the synonym?
Is there a system setting I need to set?
Do I need to clap my hands and spin 3 times?

For example:
Create the synonym on ProdServer.ProdDB
USE ProdDB
CREATE SYNONYM MySynProc
FOR ProdServer.ProdDB.MyProc;

Using the Synonym on a different Server works great
Log onto server ReportServer
USE ProdDB_Rpt
Exec MySynProc @Param1=’A', @Param2=’1′, @Param3=’Gold’

Using the Synonym on the Server defined in the Synonym generates an error
Log onto server ProdServer
USE ProdDB_Copy
Exec MySynProc @Param1=’A', @Param2=’1′, @Param3=’Gold’

Using the Synonym on the Server & database defined in the Synonym generates an error
Log onto server ProdServer
USE ProdDB
Exec MySynProc @Param1=’A', @Param2=’1′, @Param3=’Gold’

Biju.K.S

I am trying to create a synonym for first 3 part of the object (without object name itself).

For example, I have a linked server named “Legacy”. What I need is a “MyLegacy” synonym or alias for “Legacy.MyDatabase.dbo”, so I can use something like MyLegacy.Table1, MyLegacy.View2 etc.

I don’t want to provide an object name while creating synonyms (otherwise I will end up with huundreds of synonyms, one for each object).

Is there any way to do this?

Thanks.

Really you are doing wonderful job
Keep It Up

best regards
Coimbatore S. Arul Kumar Msc It