I have had a clinet who wanted to script out the source of triggers on database level, so I'm talking about SQL Server 2005. Well as you probably know you can easily script the objects by using Tasks ---> Generate Scripts.. and moreover if you installed SP2 you will be able to script the object per file.
I would like to show you more simple way. You join two system tables on object_id column where sys.sql_modules table has a definition column which my client wanted to get.The WHERE condition restricts the ouptupt for triggers that were designed on database level.
SELECT definition FROM sys.sql_modules sm
INNER JOIN sys.triggers st ON
sm.object_id=st.object_id
WHERE parent_class_desc ='DATABASE'
Tuesday, June 26, 2007
Wednesday, June 20, 2007
Is Linked Server available?
In SQL Server 2000 we have been checking an availability of linked server by using
xp_cmdshell along with 'ping' command.It worked fine but what does SQL Server 2005 propose to us?
There is a system stored procedure (sp_testlinkedserver )that accepts name of linked server as a parameter and returns the status of server.
Take a look at the script below.
DECLARE @srvr NVARCHAR(128), @statusval INT;
SET @srvr = 'Linked_Server';
BEGIN TRY
EXEC @statusval = sp_testlinkedserver @srvr;
END TRY
BEGIN CATCH
SET @statusval = SIGN(@@ERROR);
END CATCH;
IF @statusval <> 0
RAISERROR('Unable to connect to linked server. Try later!', 16, 2 );
xp_cmdshell along with 'ping' command.It worked fine but what does SQL Server 2005 propose to us?
There is a system stored procedure (sp_testlinkedserver )that accepts name of linked server as a parameter and returns the status of server.
Take a look at the script below.
DECLARE @srvr NVARCHAR(128), @statusval INT;
SET @srvr = 'Linked_Server';
BEGIN TRY
EXEC @statusval = sp_testlinkedserver @srvr;
END TRY
BEGIN CATCH
SET @statusval = SIGN(@@ERROR);
END CATCH;
IF @statusval <> 0
RAISERROR('Unable to connect to linked server. Try later!', 16, 2 );
Sunday, June 3, 2007
Enabling AWE on Cluster environment
I know many people ask this question. Recently I had a client wants me to enable AWE on the cluster which has two nodes (Active/Passive). He had only one instance of SQL Server 2000 (SP4) and 8 GB RAM and /3GB in the Boot.INI.
1)
Add /PAE parameter to Boot.INI file. PAE is the added ability of the IA32 processor to address more than 4 GB of physical memory.
2)
You need to install hotfix on SQL Server instance from Microsoft (http://support.microsoft.com/kb/899761) that fixs the bug "Not all memory is available when AWE is enabled".
3)
Make sure that domain account SQL Server is running under is added to "Lock pages in memory" local group policy.
4)
Finally we configured 6 GB for SQL Server as it was business requirements.
sp_configure 'show advanced options', 1
RECONFIGURE
GO
sp_configure 'awe enabled', 1
RECONFIGURE
GO
sp_configure 'max server memory', 6144
RECONFIGURE
5)Restart OS
Note: we need to run those steps on Active node where the SQL Server instance is running on. When it failed over but the binaries are loaded on all
nodes.
1)
Add /PAE parameter to Boot.INI file. PAE is the added ability of the IA32 processor to address more than 4 GB of physical memory.
2)
You need to install hotfix on SQL Server instance from Microsoft (http://support.microsoft.com/kb/899761) that fixs the bug "Not all memory is available when AWE is enabled".
3)
Make sure that domain account SQL Server is running under is added to "Lock pages in memory" local group policy.
4)
Finally we configured 6 GB for SQL Server as it was business requirements.
sp_configure 'show advanced options', 1
RECONFIGURE
GO
sp_configure 'awe enabled', 1
RECONFIGURE
GO
sp_configure 'max server memory', 6144
RECONFIGURE
5)Restart OS
Note: we need to run those steps on Active node where the SQL Server instance is running on. When it failed over but the binaries are loaded on all
nodes.
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