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Tuesday, November 27, 2012

SQL Server DBA - Msg 2501, Level 16, State 45, Line 1 Cannot find a table or object with the name “TableName”. Check the system catalog.


Msg 2501, Level 16, State 45, Line 1
Cannot find a table or object with the name “TableName”. Check the system catalog.
You need to Defragment All the Indexes in the Database.
Simple Way To De fragment All Indexes In A Database That Is Fragmented Above A Declared Threshold.
/* Originally created by Microsoft */
-- Specify your Database Name
USE AdventureWorks;
GO
-- Declare variables
SET NOCOUNT ON;
DECLARE @tablename VARCHAR(128);
DECLARE @execstr VARCHAR(255);
DECLARE @objectid INT;
DECLARE @indexid INT;
DECLARE @frag decimal;
DECLARE @maxfrag decimal;
-- Decide on the maximum fragmentation to allow for.
SELECT @maxfrag = 30.0;
-- Declare a cursor.
DECLARE tables CURSOR FOR
SELECT
CAST(TABLE_SCHEMA AS VARCHAR(100))
+
'.'+CAST(TABLE_NAME AS VARCHAR(100))
AS Table_Name
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE';
-- Create the table.
CREATE TABLE #fraglist (
ObjectName CHAR(255),
ObjectId INT,
IndexName CHAR(255),
IndexId INT,
Lvl INT,
CountPages INT,
CountRows INT,
MinRecSize INT,
MaxRecSize INT,
AvgRecSize INT,
ForRecCount INT,
Extents INT,
ExtentSwitches INT,
AvgFreeBytes INT,
AvgPageDensity INT,
ScanDensity decimal,
BestCount INT,
ActualCount INT,
LogicalFrag decimal,
ExtentFrag decimal);
-- Open the cursor.
OPEN tables;
-- Loop through all the tables in the database.
FETCH NEXT
FROM tables
INTO @tablename;
WHILE @@FETCH_STATUS = 0
BEGIN;
-- Do the showcontig of all indexes of the table
INSERT INTO #fraglist
EXEC ('DBCC SHOWCONTIG (''' + @tablename + ''')
WITH FAST, TABLERESULTS, ALL_INDEXES, NO_INFOMSGS'
);
FETCH NEXT
FROM tables
INTO @tablename;
END;
-- Close and deallocate the cursor.
CLOSE tables;
DEALLOCATE tables;
-- Declare the cursor for the list of indexes to be defragged.
DECLARE indexes CURSOR FOR
SELECT
ObjectName, ObjectId, IndexId, LogicalFrag
FROM #fraglist
WHERE LogicalFrag >= @maxfrag
AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0;
-- Open the cursor.
OPEN indexes;
-- Loop through the indexes.
FETCH NEXT
FROM indexes
INTO @tablename, @objectid, @indexid, @frag;
WHILE @@FETCH_STATUS = 0
BEGIN;
PRINT 'Executing DBCC INDEXDEFRAG (0, ' + RTRIM(@tablename) + ',
'
+ RTRIM(@indexid) + ') - fragmentation currently '
+ RTRIM(CONVERT(VARCHAR(15),@frag)) + '%';
SELECT @execstr = 'DBCC INDEXDEFRAG (0, ' + RTRIM(@objectid) + ',
'
+ RTRIM(@indexid) + ')';
EXEC (@execstr);
FETCH NEXT
FROM indexes
INTO @tablename, @objectid, @indexid, @frag;
END;
-- Close and deallocate the cursor.
CLOSE indexes;
DEALLOCATE indexes;
-- Delete the temporary table.
DROP TABLE #fraglist;
GO

After running this Your Table will be in the Accessing mode

Friday, October 19, 2012

SQL Server DBA - How to uninstall the SQL Server 2008 SP 2


How to uninstall the SQL Server 2008 SP 2?

This Feature is in introduced in SQL Server 2008 SP1 and above.

Before you do the activity, it is recommended to take a full instance backup just in case to recover if anything goes wrong.

Check the Current Service pack level of the SQL Server Instance.






Go to "Programs and Features" options in Control Panel and click on "view installed updates"














Highlight the Service Pack you want to uninstall and click "Uninstall"













The uninstall Service Pack for SQL Server wizard will now come up and click "Next" here once the update rules have been verified.



Select the features for which you need to remove service pack and click "Next"



Once the file check is completed, Click "Next"



Verify the Summary and click "Remove"



Wait for the process to complete


Once this is completed, Restart the computer to finish the SQL Server Setup.



Now verify the changes