SQL SERVER数据库表删除恢复

demo演示

USE master
GO
--创建数据库
CREATE DATABASE test
GOUSE [test]
GO--创建表
CREATE TABLE [dbo].[aa]([id] [int] IDENTITY(1,1) NOT NULL,[NAME] [nvarchar](200) NULL
) ON [PRIMARY]
GO--插入测试数据
INSERT [dbo].[aa]( [NAME] )
SELECT '你好'
GO--删除数据
Delete from aa
Go--验证数据是否已经删除
Select * from aa
Go

现在你需要创建一个存储过程来恢复你的数据

CREATE PROCEDURE Recover_Deleted_Data_Proc@Database_Name NVARCHAR(MAX) ,@SchemaName_n_TableName NVARCHAR(MAX) ,@Date_From DATETIME = '1900/01/01' ,@Date_To DATETIME = '9999/12/31'
ASDECLARE @RowLogContents VARBINARY(8000)DECLARE @TransactionID NVARCHAR(MAX)DECLARE @AllocUnitID BIGINTDECLARE @AllocUnitName NVARCHAR(MAX)DECLARE @SQL NVARCHAR(MAX)DECLARE @Compatibility_Level INTSELECT  @Compatibility_Level = dtb.compatibility_levelFROM    master.sys.databases AS dtbWHERE   dtb.name = @Database_NameIF ISNULL(@Compatibility_Level, 0) <= 80BEGINRAISERROR('The compatibility level should be equal to or greater SQL SERVER 2005 (90)',16,1)RETURNENDIF ( SELECT COUNT(*)FROM   INFORMATION_SCHEMA.TABLESWHERE  [TABLE_SCHEMA] + '.' + [TABLE_NAME] = @SchemaName_n_TableName) = 0BEGINRAISERROR('Could not found the table in the defined database',16,1)RETURNENDDECLARE @bitTable TABLE([ID] INT ,[Bitvalue] INT)
--Create table to set the bit position of one byte.INSERT  INTO @bitTableSELECT  0 ,2UNION ALLSELECT  1 ,2UNION ALLSELECT  2 ,4UNION ALLSELECT  3 ,8UNION ALLSELECT  4 ,16UNION ALLSELECT  5 ,32UNION ALLSELECT  6 ,64UNION ALLSELECT  7 ,128--Create table to collect the row data.DECLARE @DeletedRecords TABLE([Row ID] INT IDENTITY(1, 1) ,[RowLogContents] VARBINARY(8000) ,[AllocUnitID] BIGINT ,[Transaction ID] NVARCHAR(MAX) ,[FixedLengthData] SMALLINT ,[TotalNoOfCols] SMALLINT ,[NullBitMapLength] SMALLINT ,[NullBytes] VARBINARY(8000) ,[TotalNoofVarCols] SMALLINT ,[ColumnOffsetArray] VARBINARY(8000) ,[VarColumnStart] SMALLINT ,[Slot ID] INT ,[NullBitMap] VARCHAR(MAX))
--Create a common table expression to get all the row data plus how many bytes we have for each row.
;WITH    RowDataAS ( SELECT   [RowLog Contents 0] AS [RowLogContents] ,[AllocUnitID] AS [AllocUnitID] ,[Transaction ID] AS [Transaction ID]  --[Fixed Length Data] = Substring (RowLog content 0, Status Bit A+ Status Bit B + 1,2 bytes),CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) AS [FixedLengthData]  --@FixedLengthData-- [TotalnoOfCols] =  Substring (RowLog content 0, [Fixed Length Data] + 1,2 bytes),CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) AS [TotalNoOfCols]--[NullBitMapLength]=ceiling([Total No of Columns] /8.0),CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0)) AS [NullBitMapLength] --[Null Bytes] = Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [NullBitMapLength] ),SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 3,CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0))) AS [NullBytes]--[TotalNoofVarCols] = Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [Null Bitmap length] + 2 ),( CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) IN (0x10, 0x30, 0x70 )THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 3+ CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0)), 2))))ELSE NULLEND ) AS [TotalNoofVarCols] --[ColumnOffsetArray]= Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [Null Bitmap length] + 2 , [TotalNoofVarCols]*2 ),( CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) IN (0x10, 0x30, 0x70 )THEN SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 3+ CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0))+ 2,( CASE WHEN SUBSTRING([RowLog Contents 0],1, 1) IN ( 0x10,0x30, 0x70 )THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 3+ CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0)), 2))))ELSE NULLEND ) * 2)ELSE NULLEND ) AS [ColumnOffsetArray] --  Variable column Start = Status Bit A+ Status Bit B + [Fixed Length Data] + [Null Bitmap length] + 2+([TotalNoofVarCols]*2),CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) IN (0x10, 0x30, 0x70 )THEN ( CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 4+ CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0))+ ( ( CASE WHEN SUBSTRING([RowLog Contents 0],1, 1) IN ( 0x10,0x30, 0x70 )THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 3+ CONVERT(INT, CEILING(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],2 + 1, 2)))) + 1,2)))) / 8.0)), 2))))ELSE NULLEND ) * 2 ) )ELSE NULLEND AS [VarColumnStart] ,[Slot ID]FROM     sys.fn_dblog(NULL, NULL)WHERE    AllocUnitId IN (SELECT  [Allocation_unit_id]FROM    sys.allocation_units allocunitsINNER JOIN sys.partitions partitions ON ( allocunits.type IN (1, 3 )AND partitions.hobt_id = allocunits.container_id)OR ( allocunits.type = 2AND partitions.partition_id = allocunits.container_id)WHERE   object_id = OBJECT_ID(''+ @SchemaName_n_TableName+ '') )AND Context IN ( 'LCX_MARK_AS_GHOST', 'LCX_HEAP' )AND Operation IN ( 'LOP_DELETE_ROWS' )AND SUBSTRING([RowLog Contents 0], 1, 1) IN ( 0x10,0x30, 0x70 )/*Use this subquery to filter the date*/AND [TRANSACTION ID] IN (SELECT DISTINCT[TRANSACTION ID]FROM    sys.fn_dblog(NULL, NULL)WHERE   Context IN ( 'LCX_NULL' )AND Operation IN ( 'LOP_BEGIN_XACT' )AND [Transaction Name] IN ( 'DELETE','user_transaction' )AND CONVERT(NVARCHAR(11), [Begin Time]) BETWEEN @Date_FromAND@Date_To )),--Use this technique to repeate the row till the no of bytes of the row.N1 ( n )AS ( SELECT   1UNION ALLSELECT   1),N2 ( n )AS ( SELECT   1FROM     N1 AS X ,N1 AS Y),N3 ( n )AS ( SELECT   1FROM     N2 AS X ,N2 AS Y),N4 ( n )AS ( SELECT   ROW_NUMBER() OVER ( ORDER BY X.n )FROM     N3 AS X ,N3 AS Y)INSERT  INTO @DeletedRecordsSELECT  RowLogContents ,[AllocUnitID] ,[Transaction ID] ,[FixedLengthData] ,[TotalNoOfCols] ,[NullBitMapLength] ,[NullBytes] ,[TotalNoofVarCols] ,[ColumnOffsetArray] ,[VarColumnStart] ,[Slot ID]---Get the Null value against each column (1 means null zero means not null),[NullBitMap] = ( REPLACE(STUFF(( SELECT','+ ( CASEWHEN [ID] = 0THEN CONVERT(NVARCHAR(1), ( SUBSTRING(NullBytes,n, 1) % 2 ))ELSE CONVERT(NVARCHAR(1), ( ( SUBSTRING(NullBytes,n, 1)/ [Bitvalue] )% 2 ))END ) --as [nullBitMap]FROM N4 AS NumsJOIN RowData AS C ON n <= NullBitMapLengthCROSS JOIN @bitTableWHEREC.[RowLogContents] = D.[RowLogContents]ORDER BY [RowLogContents] ,n ASCFORXML PATH('')), 1, 1, ''), ',', '') )FROM    RowData DIF ( SELECT COUNT(*)FROM   @DeletedRecords) = 0BEGINRAISERROR('There is no data in the log as per the search criteria',16,1)RETURNENDDECLARE @ColumnNameAndData TABLE([Row ID] INT ,[Rowlogcontents] VARBINARY(MAX) ,[NAME] SYSNAME ,[nullbit] SMALLINT ,[leaf_offset] SMALLINT ,[length] SMALLINT ,[system_type_id] TINYINT ,[bitpos] TINYINT ,[xprec] TINYINT ,[xscale] TINYINT ,[is_null] INT ,[Column value Size] INT ,[Column Length] INT ,[hex_Value] VARBINARY(MAX) ,[Slot ID] INT ,[Update] INT)--Create common table expression and join it with the rowdata table
-- to get each column details
/*This part is for variable data columns*/
--@RowLogContents,
--(col.columnOffValue - col.columnLength) + 1,
--col.columnLength
--)INSERT  INTO @ColumnNameAndDataSELECT  [Row ID] ,Rowlogcontents ,NAME ,cols.leaf_null_bit AS nullbit ,leaf_offset ,ISNULL(syscolumns.length, cols.max_length) AS [length] ,cols.system_type_id ,cols.leaf_bit_position AS bitpos ,ISNULL(syscolumns.xprec, cols.precision) AS xprec ,ISNULL(syscolumns.xscale, cols.scale) AS xscale ,SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) AS is_null ,( CASE WHEN leaf_offset < 1AND SUBSTRING([nullBitMap], cols.leaf_null_bit,1) = 0THEN ( CASE WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- POWER(2, 15)ELSE CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))END )END ) AS [Column value Size] ,( CASE WHEN leaf_offset < 1AND SUBSTRING([nullBitMap], cols.leaf_null_bit,1) = 0THEN ( CASE WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN ( CASE WHEN [System_type_id] IN (35, 34, 99 ) THEN 16ELSE 24END )WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN ( CASE WHEN [System_type_id] IN (35, 34, 99 ) THEN 16ELSE 24END ) --24 WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN ( CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) )WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN POWER(2, 15)+ CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart])END )END ) AS [Column Length] ,( CASE WHEN SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) = 1THEN NULLELSE SUBSTRING(Rowlogcontents,( ( CASE WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- POWER(2, 15)ELSE CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))END )- ( CASE WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN ( CASEWHEN [System_type_id] IN (35, 34, 99 )THEN 16ELSE 24END ) --24 WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN ( CASEWHEN [System_type_id] IN (35, 34, 99 )THEN 16ELSE 24END ) --24 WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart])WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN POWER(2, 15)+ CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart])END ) ) + 1,( CASE WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN ( CASE WHEN [System_type_id] IN (35, 34, 99 )THEN 16ELSE 24END ) --24 WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) > 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN ( CASE WHEN [System_type_id] IN (35, 34, 99 )THEN 16ELSE 24END ) --24 WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) < 30000THEN ABS(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]))WHEN CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2)))) < 30000AND ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart]) > 30000THEN POWER(2, 15)+ CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* leaf_offset* -1 ) - 1, 2))))- ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([ColumnOffsetArray],( 2* ( ( leaf_offset* -1 ) - 1 ) )- 1, 2)))), 0),[varColumnStart])END ))END ) AS hex_Value ,[Slot ID] ,0FROM    @DeletedRecords AINNER JOIN sys.allocation_units allocunits ON A.[AllocUnitId] = allocunits.[Allocation_Unit_Id]INNER JOIN sys.partitions partitions ON ( allocunits.type IN (1, 3 )AND partitions.hobt_id = allocunits.container_id)OR ( allocunits.type = 2AND partitions.partition_id = allocunits.container_id)INNER JOIN sys.system_internals_partition_columns cols ON cols.partition_id = partitions.partition_idLEFT OUTER JOIN syscolumns ON syscolumns.id = partitions.object_idAND syscolumns.colid = cols.partition_column_idWHERE   leaf_offset < 0UNION
/*This part is for fixed data columns*/SELECT  [Row ID] ,Rowlogcontents ,NAME ,cols.leaf_null_bit AS nullbit ,leaf_offset ,ISNULL(syscolumns.length, cols.max_length) AS [length] ,cols.system_type_id ,cols.leaf_bit_position AS bitpos ,ISNULL(syscolumns.xprec, cols.precision) AS xprec ,ISNULL(syscolumns.xscale, cols.scale) AS xscale ,SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) AS is_null ,( SELECT TOP 1ISNULL(SUM(CASE WHEN C.leaf_offset > 1THEN max_lengthELSE 0END), 0)FROM      sys.system_internals_partition_columns CWHERE     cols.partition_id = C.partition_idAND C.leaf_null_bit < cols.leaf_null_bit) + 5 AS [Column value Size] ,syscolumns.length AS [Column Length] ,CASE WHEN SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) = 1THEN NULLELSE SUBSTRING(Rowlogcontents,( SELECT TOP 1ISNULL(SUM(CASEWHEN C.leaf_offset > 1AND C.leaf_bit_position = 0THEN max_lengthELSE 0END), 0)FROM      sys.system_internals_partition_columns CWHERE     cols.partition_id = C.partition_idAND C.leaf_null_bit < cols.leaf_null_bit) + 5, syscolumns.length)END AS hex_Value ,[Slot ID] ,0FROM    @DeletedRecords AINNER JOIN sys.allocation_units allocunits ON A.[AllocUnitId] = allocunits.[Allocation_Unit_Id]INNER JOIN sys.partitions partitions ON ( allocunits.type IN (1, 3 )AND partitions.hobt_id = allocunits.container_id)OR ( allocunits.type = 2AND partitions.partition_id = allocunits.container_id)INNER JOIN sys.system_internals_partition_columns cols ON cols.partition_id = partitions.partition_idLEFT OUTER JOIN syscolumns ON syscolumns.id = partitions.object_idAND syscolumns.colid = cols.partition_column_idWHERE   leaf_offset > 0ORDER BY nullbitDECLARE @BitColumnByte AS INTSELECT  @BitColumnByte = CONVERT(INT, CEILING(COUNT(*) / 8.0))FROM    @ColumnNameAndDataWHERE   [System_Type_id] = 104;WITH    N1 ( n )AS ( SELECT   1UNION ALLSELECT   1),N2 ( n )AS ( SELECT   1FROM     N1 AS X ,N1 AS Y),N3 ( n )AS ( SELECT   1FROM     N2 AS X ,N2 AS Y),N4 ( n )AS ( SELECT   ROW_NUMBER() OVER ( ORDER BY X.n )FROM     N3 AS X ,N3 AS Y),CTEAS ( SELECT   RowLogContents ,[nullbit] ,[BitMap] = CONVERT(VARBINARY(1), CONVERT(INT, SUBSTRING(( REPLACE(STUFF(( SELECT','+ ( CASEWHEN [ID] = 0THEN CONVERT(NVARCHAR(1), ( SUBSTRING(hex_Value,n, 1) % 2 ))ELSE CONVERT(NVARCHAR(1), ( ( SUBSTRING(hex_Value,n, 1)/ [Bitvalue] )% 2 ))END ) --as [nullBitMap]FROMN4 AS NumsJOIN @ColumnNameAndDataAS C ON n <= @BitColumnByteAND [System_Type_id] = 104AND bitpos = 0CROSS JOIN @bitTableWHEREC.[RowLogContents] = D.[RowLogContents]ORDER BY [RowLogContents] ,n ASCFORXMLPATH('')), 1, 1, ''),',', '') ),bitpos + 1, 1)))FROM     @ColumnNameAndData DWHERE    [System_Type_id] = 104)UPDATE  ASET     [hex_Value] = [BitMap]FROM    @ColumnNameAndData AINNER JOIN CTE B ON A.[RowLogContents] = B.[RowLogContents]AND A.[nullbit] = B.[nullbit]/**************Check for BLOB DATA TYPES******************************/DECLARE @Fileid INTDECLARE @Pageid INTDECLARE @Slotid INTDECLARE @CurrentLSN INTDECLARE @LinkID INTDECLARE @Context VARCHAR(50)DECLARE @ConsolidatedPageID VARCHAR(MAX)DECLARE @LCX_TEXT_MIX VARBINARY(MAX)DECLARE @temppagedata TABLE([ParentObject] SYSNAME ,[Object] SYSNAME ,[Field] SYSNAME ,[Value] SYSNAME)DECLARE @pagedata TABLE([Page ID] SYSNAME ,[File IDS] INT ,[Page IDS] INT ,[AllocUnitId] BIGINT ,[ParentObject] SYSNAME ,[Object] SYSNAME ,[Field] SYSNAME ,[Value] SYSNAME)DECLARE @ModifiedRawData TABLE([ID] INT IDENTITY(1, 1) ,[PAGE ID] VARCHAR(MAX) ,[FILE IDS] INT ,[PAGE IDS] INT ,[Slot ID] INT ,[AllocUnitId] BIGINT ,[RowLog Contents 0_var] VARCHAR(MAX) ,[RowLog Length] VARCHAR(50) ,[RowLog Len] INT ,[RowLog Contents 0] VARBINARY(MAX) ,[Link ID] INT DEFAULT ( 0 ) ,[Update] INT)DECLARE Page_Data_Cursor CURSORFOR/*We need to filter LOP_MODIFY_ROW,LOP_MODIFY_COLUMNS from log for deleted records of BLOB data type& Get its Slot No, Page ID & AllocUnit ID*/SELECT  LTRIM(RTRIM(REPLACE([Description], 'Deallocated', ''))) AS [PAGE ID] ,[Slot ID] ,[AllocUnitId] ,NULL AS [RowLog Contents 0] ,NULL AS [RowLog Contents 0] ,ContextFROM    sys.fn_dblog(NULL, NULL)WHERE   AllocUnitId IN (SELECT  [Allocation_unit_id]FROM    sys.allocation_units allocunitsINNER JOIN sys.partitions partitions ON ( allocunits.type IN (1, 3 )AND partitions.hobt_id = allocunits.container_id)OR ( allocunits.type = 2AND partitions.partition_id = allocunits.container_id)WHERE   object_id = OBJECT_ID('' + @SchemaName_n_TableName+ '') )AND Operation IN ( 'LOP_MODIFY_ROW' )AND [Context] IN ( 'LCX_PFS' )AND Description LIKE '%Deallocated%'/*Use this subquery to filter the date*/AND [TRANSACTION ID] IN (SELECT DISTINCT[TRANSACTION ID]FROM    sys.fn_dblog(NULL, NULL)WHERE   Context IN ( 'LCX_NULL' )AND Operation IN ( 'LOP_BEGIN_XACT' )AND [Transaction Name] = 'DELETE'AND CONVERT(NVARCHAR(11), [Begin Time]) BETWEEN @Date_FromAND@Date_To )GROUP BY [Description] ,[Slot ID] ,[AllocUnitId] ,ContextUNIONSELECT  [PAGE ID] ,[Slot ID] ,[AllocUnitId] ,SUBSTRING([RowLog Contents 0], 15,LEN([RowLog Contents 0])) AS [RowLog Contents 0] ,CONVERT(INT, SUBSTRING([RowLog Contents 0], 7, 2)) ,Context --,CAST(RIGHT([Current LSN],4) AS INT) AS [Current LSN]FROM    sys.fn_dblog(NULL, NULL)WHERE   AllocUnitId IN (SELECT  [Allocation_unit_id]FROM    sys.allocation_units allocunitsINNER JOIN sys.partitions partitions ON ( allocunits.type IN (1, 3 )AND partitions.hobt_id = allocunits.container_id)OR ( allocunits.type = 2AND partitions.partition_id = allocunits.container_id)WHERE   object_id = OBJECT_ID('' + @SchemaName_n_TableName+ '') )AND Context IN ( 'LCX_TEXT_MIX' )AND Operation IN ( 'LOP_DELETE_ROWS' ) /*Use this subquery to filter the date*/AND [TRANSACTION ID] IN (SELECT DISTINCT[TRANSACTION ID]FROM    sys.fn_dblog(NULL, NULL)WHERE   Context IN ( 'LCX_NULL' )AND Operation IN ( 'LOP_BEGIN_XACT' )AND [Transaction Name] = 'DELETE'AND CONVERT(NVARCHAR(11), [Begin Time]) BETWEEN @Date_FromAND@Date_To )/****************************************/OPEN Page_Data_CursorFETCH NEXT FROM Page_Data_Cursor INTO @ConsolidatedPageID, @Slotid,@AllocUnitID, @LCX_TEXT_MIX, @LinkID, @ContextWHILE @@FETCH_STATUS = 0BEGINDECLARE @hex_pageid AS VARCHAR(MAX)/*Page ID contains File Number and page number It looks like 0001:00000130.In this example 0001 is file Number &  00000130 is Page Number & These numbers are in Hex format*/SET @Fileid = SUBSTRING(@ConsolidatedPageID, 0,CHARINDEX(':', @ConsolidatedPageID)) -- Seperate File ID from Page IDSET @hex_pageid = '0x' + SUBSTRING(@ConsolidatedPageID,CHARINDEX(':',@ConsolidatedPageID)+ 1, LEN(@ConsolidatedPageID))  ---Seperate the page IDSELECT  @Pageid = CONVERT(INT, CAST('' AS XML).value('xs:hexBinary(substring(sql:variable("@hex_pageid"),sql:column("t.pos")) )','varbinary(max)')) -- Convert Page ID from hex to integerFROM    ( SELECT    CASE SUBSTRING(@hex_pageid, 1, 2)WHEN '0x' THEN 3ELSE 0END) AS t ( pos ) IF @Context = 'LCX_PFS'BEGINDELETE  @temppagedataINSERT  INTO @temppagedataEXEC( 'DBCC PAGE(' + @DataBase_Name + ', '+ @fileid + ', ' + @pageid+ ', 1) with tableresults,no_infomsgs;'); INSERT  INTO @pagedataSELECT  @ConsolidatedPageID ,@fileid ,@pageid ,@AllocUnitID ,[ParentObject] ,[Object] ,[Field] ,[Value]FROM    @temppagedataENDELSEIF @Context = 'LCX_TEXT_MIX'BEGININSERT  INTO @ModifiedRawDataSELECT  @ConsolidatedPageID ,@fileid ,@pageid ,@Slotid ,@AllocUnitID ,NULL ,0 ,CONVERT(INT, CONVERT(VARBINARY, REVERSE(SUBSTRING(@LCX_TEXT_MIX,11, 2)))) ,@LCX_TEXT_MIX ,@LinkID ,0END    FETCH NEXT FROM Page_Data_Cursor INTO @ConsolidatedPageID, @Slotid,@AllocUnitID, @LCX_TEXT_MIX, @LinkID, @ContextENDCLOSE Page_Data_CursorDEALLOCATE Page_Data_CursorDECLARE @Newhexstring VARCHAR(MAX);--The data is in multiple rows in the page, so we need to convert it into one row as a single hex value.--This hex value is in string formatINSERT  INTO @ModifiedRawData( [PAGE ID] ,[FILE IDS] ,[PAGE IDS] ,[Slot ID] ,[AllocUnitId] ,[RowLog Contents 0_var] ,[RowLog Length])SELECT  [Page ID] ,[FILE IDS] ,[PAGE IDS] ,SUBSTRING([ParentObject],CHARINDEX('Slot', [ParentObject]) + 4,( CHARINDEX('Offset', [ParentObject])- ( CHARINDEX('Slot', [ParentObject]) + 4 ) )- 2) AS [Slot ID] ,[AllocUnitId] ,SUBSTRING(( SELECT  REPLACE(STUFF(( SELECTREPLACE(SUBSTRING([Value],CHARINDEX(':',[Value]) + 1,CHARINDEX('†',[Value])- CHARINDEX(':',[Value])), '†','')FROM  @pagedata CWHERE B.[Page ID] = C.[Page ID]AND SUBSTRING(B.[ParentObject],CHARINDEX('Slot',B.[ParentObject])+ 4,( CHARINDEX('Offset',B.[ParentObject])- ( CHARINDEX('Slot',B.[ParentObject])+ 4 ) )) = SUBSTRING(C.[ParentObject],CHARINDEX('Slot',C.[ParentObject])+ 4,( CHARINDEX('Offset',C.[ParentObject])- ( CHARINDEX('Slot',C.[ParentObject])+ 4 ) ))AND [Object] LIKE '%Memory Dump%'ORDER BY '0x'+ LEFT([Value],CHARINDEX(':',[Value]) - 1)FORXML PATH('')), 1, 1, ''), ' ', '')), 1, 20000) AS [Value] ,SUBSTRING(( SELECT  '0x'+ REPLACE(STUFF(( SELECTREPLACE(SUBSTRING([Value],CHARINDEX(':',[Value]) + 1,CHARINDEX('†',[Value])- CHARINDEX(':',[Value])), '†','')FROM@pagedata CWHEREB.[Page ID] = C.[Page ID]AND SUBSTRING(B.[ParentObject],CHARINDEX('Slot',B.[ParentObject])+ 4,( CHARINDEX('Offset',B.[ParentObject])- ( CHARINDEX('Slot',B.[ParentObject])+ 4 ) )) = SUBSTRING(C.[ParentObject],CHARINDEX('Slot',C.[ParentObject])+ 4,( CHARINDEX('Offset',C.[ParentObject])- ( CHARINDEX('Slot',C.[ParentObject])+ 4 ) ))AND [Object] LIKE '%Memory Dump%'ORDER BY '0x'+ LEFT([Value],CHARINDEX(':',[Value]) - 1)FORXML PATH('')), 1, 1, ''), ' ', '')), 7, 4) AS [Length]FROM    @pagedata BWHERE   [Object] LIKE '%Memory Dump%'GROUP BY [Page ID] ,[FILE IDS] ,[PAGE IDS] ,[ParentObject] ,[AllocUnitId]--,[Current LSN]ORDER BY [Slot ID]UPDATE  @ModifiedRawDataSET     [RowLog Len] = CONVERT(VARBINARY(8000), REVERSE(CAST('' AS XML).value('xs:hexBinary(substring(sql:column("[RowLog Length]"),0))','varbinary(Max)')))FROM    @ModifiedRawDataWHERE   [LINK ID] = 0UPDATE  @ModifiedRawDataSET     [RowLog Contents 0] = CAST('' AS XML).value('xs:hexBinary(substring(sql:column("[RowLog Contents 0_var]"),0))','varbinary(Max)')FROM    @ModifiedRawDataWHERE   [LINK ID] = 0UPDATE  BSET     B.[RowLog Contents 0] = ( CASE WHEN A.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN A.[RowLog Contents 0]+ C.[RowLog Contents 0]WHEN A.[RowLog Contents 0] IS NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN C.[RowLog Contents 0]WHEN A.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NULLTHEN A.[RowLog Contents 0]END ) ,B.[Update] = ISNULL(B.[Update], 0) + 1FROM    @ModifiedRawData BLEFT JOIN @ModifiedRawData A ON A.[Page IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],15 + 14, 2))))AND A.[File IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],19 + 14, 2))))AND A.[Link ID] = B.[Link ID]LEFT JOIN @ModifiedRawData C ON C.[Page IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],27 + 14, 2))))AND C.[File IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],31 + 14, 2))))AND C.[Link ID] = B.[Link ID]WHERE   ( A.[RowLog Contents 0] IS NOT NULLOR C.[RowLog Contents 0] IS NOT NULL)UPDATE  BSET     B.[RowLog Contents 0] = ( CASE WHEN A.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN A.[RowLog Contents 0]+ C.[RowLog Contents 0]WHEN A.[RowLog Contents 0] IS NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN C.[RowLog Contents 0]WHEN A.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NULLTHEN A.[RowLog Contents 0]END )--,B.[Update]=ISNULL(B.[Update],0)+1FROM    @ModifiedRawData BLEFT JOIN @ModifiedRawData A ON A.[Page IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],15 + 14, 2))))AND A.[File IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],19 + 14, 2))))AND A.[Link ID] <> B.[Link ID]AND B.[Update] = 0LEFT JOIN @ModifiedRawData C ON C.[Page IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],27 + 14, 2))))AND C.[File IDS] = CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING(B.[RowLog Contents 0],31 + 14, 2))))AND C.[Link ID] <> B.[Link ID]AND B.[Update] = 0WHERE   ( A.[RowLog Contents 0] IS NOT NULLOR C.[RowLog Contents 0] IS NOT NULL)UPDATE  @ModifiedRawDataSET     [RowLog Contents 0] = ( CASE WHEN [RowLog Len] >= 8000THEN SUBSTRING([RowLog Contents 0],15, [RowLog Len])WHEN [RowLog Len] < 8000THEN SUBSTRING([RowLog Contents 0],15 + 6,CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([RowLog Contents 0],15, 6)))))END )FROM    @ModifiedRawDataWHERE   [LINK ID] = 0UPDATE  @ColumnNameAndDataSET     [hex_Value] = [RowLog Contents 0] --,A.[Update]=A.[Update]+1FROM    @ColumnNameAndData AINNER JOIN @ModifiedRawData B ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],17, 4)))) = [PAGE IDS]AND CONVERT(INT, SUBSTRING([hex_value],9, 2)) = B.[Link ID]WHERE   [System_Type_Id] IN ( 99, 167, 175, 231, 239, 241, 165, 98 )AND [Link ID] <> 0 UPDATE  @ColumnNameAndDataSET     [hex_Value] = ( CASE WHEN B.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN B.[RowLog Contents 0]+ C.[RowLog Contents 0]WHEN B.[RowLog Contents 0] IS NULLAND C.[RowLog Contents 0] IS NOT NULLTHEN C.[RowLog Contents 0]WHEN B.[RowLog Contents 0] IS NOT NULLAND C.[RowLog Contents 0] IS NULLTHEN B.[RowLog Contents 0]END )--,A.[Update]=A.[Update]+1FROM    @ColumnNameAndData ALEFT JOIN @ModifiedRawData B ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],5, 4)))) = B.[PAGE IDS]AND B.[Link ID] = 0LEFT JOIN @ModifiedRawData C ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],17, 4)))) = C.[PAGE IDS]AND C.[Link ID] = 0WHERE   [System_Type_Id] IN ( 99, 167, 175, 231, 239, 241, 165, 98 )AND ( B.[RowLog Contents 0] IS NOT NULLOR C.[RowLog Contents 0] IS NOT NULL)UPDATE  @ColumnNameAndDataSET     [hex_Value] = [RowLog Contents 0] --,A.[Update]=A.[Update]+1FROM    @ColumnNameAndData AINNER JOIN @ModifiedRawData B ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],9, 4)))) = [PAGE IDS]AND CONVERT(INT, SUBSTRING([hex_value],3, 2)) = [Link ID]WHERE   [System_Type_Id] IN ( 35, 34, 99 )AND [Link ID] <> 0 UPDATE  @ColumnNameAndDataSET     [hex_Value] = [RowLog Contents 0]--,A.[Update]=A.[Update]+10FROM    @ColumnNameAndData AINNER JOIN @ModifiedRawData B ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],9, 4)))) = [PAGE IDS]WHERE   [System_Type_Id] IN ( 35, 34, 99 )AND [Link ID] = 0UPDATE  @ColumnNameAndDataSET     [hex_Value] = [RowLog Contents 0] --,A.[Update]=A.[Update]+1FROM    @ColumnNameAndData AINNER JOIN @ModifiedRawData B ON CONVERT(INT, CONVERT(VARBINARY(MAX), REVERSE(SUBSTRING([hex_value],15, 4)))) = [PAGE IDS]WHERE   [System_Type_Id] IN ( 35, 34, 99 )AND [Link ID] = 0UPDATE  @ColumnNameAndDataSET     [hex_value] = 0xFFFE + SUBSTRING([hex_value], 9, LEN([hex_value]))--,[Update]=[Update]+1WHERE   [system_type_id] = 241CREATE TABLE [#temp_Data]([FieldName] VARCHAR(MAX) ,[FieldValue] NVARCHAR(MAX) ,[Rowlogcontents] VARBINARY(8000) ,[Row ID] INT)INSERT  INTO #temp_DataSELECT  NAME ,CASE WHEN system_type_id IN ( 231, 239 )THEN LTRIM(RTRIM(CONVERT(NVARCHAR(MAX), hex_Value)))  --NVARCHAR ,NCHARWHEN system_type_id IN ( 167, 175 )THEN LTRIM(RTRIM(CONVERT(VARCHAR(MAX), hex_Value)))  --VARCHAR,CHARWHEN system_type_id IN ( 35 )THEN LTRIM(RTRIM(CONVERT(VARCHAR(MAX), hex_Value))) --TextWHEN system_type_id IN ( 99 )THEN LTRIM(RTRIM(CONVERT(NVARCHAR(MAX), hex_Value))) --nText WHEN system_type_id = 48THEN CONVERT(VARCHAR(MAX), CONVERT(TINYINT, CONVERT(BINARY(1), REVERSE(hex_Value)))) --TINY INTEGERWHEN system_type_id = 52THEN CONVERT(VARCHAR(MAX), CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(hex_Value)))) --SMALL INTEGERWHEN system_type_id = 56THEN CONVERT(VARCHAR(MAX), CONVERT(INT, CONVERT(BINARY(4), REVERSE(hex_Value)))) -- INTEGERWHEN system_type_id = 127THEN CONVERT(VARCHAR(MAX), CONVERT(BIGINT, CONVERT(BINARY(8), REVERSE(hex_Value))))-- BIG INTEGERWHEN system_type_id = 61THEN CONVERT(VARCHAR(MAX), CONVERT(DATETIME, CONVERT(VARBINARY(8000), REVERSE(hex_Value))), 100) --DATETIMEWHEN system_type_id = 58THEN CONVERT(VARCHAR(MAX), CONVERT(SMALLDATETIME, CONVERT(VARBINARY(8000), REVERSE(hex_Value))), 100) --SMALL DATETIMEWHEN system_type_id = 108THEN CONVERT(VARCHAR(MAX), CONVERT(NUMERIC(38, 20), CONVERT(VARBINARY, CONVERT(VARBINARY(1), xprec)+ CONVERT(VARBINARY(1), xscale))+ CONVERT(VARBINARY(1), 0) + hex_Value)) --- NUMERICWHEN system_type_id = 106THEN CONVERT(VARCHAR(MAX), CONVERT(DECIMAL(38, 20), CONVERT(VARBINARY, CONVERT(VARBINARY(1), xprec)+ CONVERT(VARBINARY(1), xscale))+ CONVERT(VARBINARY(1), 0) + hex_Value)) --- DECIMALWHEN system_type_id IN ( 60, 122 )THEN CONVERT(VARCHAR(MAX), CONVERT(MONEY, CONVERT(VARBINARY(8000), REVERSE(hex_Value))), 2) --MONEY,SMALLMONEYWHEN system_type_id = 104THEN CONVERT(VARCHAR(MAX), CONVERT (BIT, CONVERT(BINARY(1), hex_Value)% 2))  -- BITWHEN system_type_id = 62THEN RTRIM(LTRIM(STR(CONVERT(FLOAT, SIGN(CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS BIGINT))* ( 1.0+ ( CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS BIGINT)& 0x000FFFFFFFFFFFFF )* POWER(CAST(2 AS FLOAT),-52) )* POWER(CAST(2 AS FLOAT),( ( CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS BIGINT)& 0x7ff0000000000000 )/ EXP(52 * LOG(2))- 1023 ))), 53,LEN(hex_Value)))) --- FLOATWHEN system_type_id = 59THEN LEFT(LTRIM(STR(CAST(SIGN(CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS BIGINT))* ( 1.0+ ( CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS BIGINT)& 0x007FFFFF )* POWER(CAST(2 AS REAL), -23) )* POWER(CAST(2 AS REAL),( ( ( CAST(CONVERT(VARBINARY(8000), REVERSE(hex_Value)) AS INT) )& 0x7f800000 )/ EXP(23 * LOG(2))- 127 )) AS REAL), 23,23)), 8) --RealWHEN system_type_id IN ( 165, 173 )THEN ( CASE WHEN CHARINDEX(0x,CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','VARBINARY(8000)')) = 0THEN '0x'ELSE ''END ) + CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','varchar(max)') -- BINARY,VARBINARYWHEN system_type_id = 34THEN ( CASE WHEN CHARINDEX(0x,CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','VARBINARY(8000)')) = 0THEN '0x'ELSE ''END ) + CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','varchar(max)')  --IMAGEWHEN system_type_id = 36THEN CONVERT(VARCHAR(MAX), CONVERT(UNIQUEIDENTIFIER, hex_Value)) --UNIQUEIDENTIFIERWHEN system_type_id = 231THEN CONVERT(VARCHAR(MAX), CONVERT(SYSNAME, hex_Value)) --SYSNAMEWHEN system_type_id = 241THEN CONVERT(VARCHAR(MAX), CONVERT(XML, hex_Value)) --XMLWHEN system_type_id = 189THEN ( CASE WHEN CHARINDEX(0x,CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','VARBINARY(8000)')) = 0THEN '0x'ELSE ''END ) + CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','varchar(max)') --TIMESTAMPWHEN system_type_id = 98THEN ( CASE WHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 56THEN CONVERT(VARCHAR(MAX), CONVERT(INT, CONVERT(BINARY(4), REVERSE(SUBSTRING(hex_Value,3,LEN(hex_Value))))))  -- INTEGERWHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 108THEN CONVERT(VARCHAR(MAX), CONVERT(NUMERIC(38,20), CONVERT(VARBINARY(1), SUBSTRING(hex_Value,3, 1))+ CONVERT(VARBINARY(1), SUBSTRING(hex_Value,4, 1))+ CONVERT(VARBINARY(1), 0)+ SUBSTRING(hex_Value, 5,LEN(hex_Value)))) --- NUMERICWHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 167THEN LTRIM(RTRIM(CONVERT(VARCHAR(MAX), SUBSTRING(hex_Value,9,LEN(hex_Value))))) --VARCHAR,CHARWHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 36THEN CONVERT(VARCHAR(MAX), CONVERT(UNIQUEIDENTIFIER, SUBSTRING(( hex_Value ),3, 20))) --UNIQUEIDENTIFIERWHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 61THEN CONVERT(VARCHAR(MAX), CONVERT(DATETIME, CONVERT(VARBINARY(8000), REVERSE(SUBSTRING(hex_Value,3,LEN(hex_Value))))), 100) --DATETIMEWHEN CONVERT(INT, SUBSTRING(hex_Value, 1,1)) = 165THEN '0x'+ SUBSTRING(( CASE WHEN CHARINDEX(0x,CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','VARBINARY(8000)')) = 0THEN '0x'ELSE ''END )+ CAST('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))','varchar(max)'),11, LEN(hex_Value)) -- BINARY,VARBINARYEND )END AS FieldValue ,[Rowlogcontents] ,[Row ID]FROM    @ColumnNameAndDataORDER BY nullbit--Create the column name in the same order to do pivot table.DECLARE @FieldName VARCHAR(MAX)SET @FieldName = STUFF(( SELECT ','+ CAST(QUOTENAME([Name]) AS VARCHAR(MAX))FROM   syscolumnsWHERE  id = OBJECT_ID(''+ @SchemaName_n_TableName+ '')FORXML PATH('')), 1, 1, '')--Finally did pivot table and get the data back in the same format.SET @sql = 'SELECT ' + @FieldName+ ' FROM #temp_Data PIVOT (Min([FieldValue]) FOR FieldName IN ('+ @FieldName + ')) AS pvt'EXEC sp_executesql @sqlGO

恢复你的数据

--恢复数据，不加时间段条件  参数：数据库名，表名
--EXAMPLE #1 : FOR ALL DELETED RECORDS
EXEC Recover_Deleted_Data_Proc 'test','dbo.aa'
GO--恢复数据，加时间段条件
--EXAMPLE #2 : FOR ANY SPECIFIC DATE RANGE
EXEC Recover_Deleted_Data_Proc 'test','dbo.aa','2014-04-23','2014-04-23'

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