rebuild script

  • 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

    SELECT @maxfrag = 30.0

    -- Declare cursor

    DECLARE tables CURSOR FOR

    SELECT 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 cursor for 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

    Rajesh Kasturi

  • What is it that you would like us to do?

    ----------------------------------------------
    Try to learn something about everything and everything about something. - Thomas Henry Huxley

    :w00t:
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    SQL-4-Life

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