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 @tablenameWHILE @@FETCH_STATUS = 0 BEGIN --检索表或视图的碎片 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 /* SELECT ObjectName, ObjectId, IndexId, LogicalFrag FROM #fraglist WHERE LogicalFrag >= @maxfrag AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0 */ -- 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, @fragWHILE @@FETCH_STATUS = 0 BEGIN PRINT 'Executing DBCC INDEXDEFRAG (0, ' + RTRIM(@tablename) + ', ' + RTRIM(@indexid) + ') - 当前碎片 ' + RTRIM(CONVERT(varchar(15),@frag)) + '%' --执行碎片整理 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
/*Perform a 'USE <database name>' to select the database in which to run the script.*/ -- 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 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 @tablenameWHILE @@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, @fragWHILE @@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
两个文件都收缩了后,看看大小有变化没得呢步骤:
1.在sql server的控制台里选中考勤的数据库;
2.点右键,[所有任务]->[收缩数据库],弹出收缩数据库窗口;
3.点窗口上的[文件]按钮;
4.选中数据文件或者日志文件,对这两个文件进行单独的收缩;
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 @tablenameWHILE @@FETCH_STATUS = 0
BEGIN
--检索表或视图的碎片
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
/*
SELECT ObjectName, ObjectId, IndexId, LogicalFrag
FROM #fraglist
WHERE LogicalFrag >= @maxfrag
AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0
*/
-- 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, @fragWHILE @@FETCH_STATUS = 0
BEGIN
PRINT 'Executing DBCC INDEXDEFRAG (0, ' + RTRIM(@tablename) + ',
' + RTRIM(@indexid) + ') - 当前碎片 '
+ RTRIM(CONVERT(varchar(15),@frag)) + '%'
--执行碎片整理
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
-- 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
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 @tablenameWHILE @@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, @fragWHILE @@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