------------------------------------------------------<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

--功能：十六进制转换为文件号

--使用：SELECT dbo.convert_page_nums(0xCF0400000100)

------------------------------------------------------

CREATE FUNCTION convert_page_nums (@page_num binary(6))

RETURNS varchar(11)

AS

BEGIN

RETURN(convert(varchar(2), (convert(int, substring(@page_num, 6, 1))

* power(2, 8)) +

(convert(int, substring(@page_num, 5, 1)))) + ':' +

convert(varchar(11),

(convert(int, substring(@page_num, 4, 1)) * power(2, 24)) +

(convert(int, substring(@page_num, 3, 1)) * power(2, 16)) +

(convert(int, substring(@page_num, 2, 1)) * power(2, 8)) +

(convert(int, substring(@page_num, 1, 1)))) )

END

--------------------------------------------------------------------

--功能：签名函数

--作者：

--时间：年月日

--使用：

--SELECT dbo.fn_SQLSigTSQL

--  (N'SELECT * FROM dbo.T1 WHERE col1 = 3 AND col2 > 78', 4000);

-------------------------------------------------------------------

IF OBJECT_ID('dbo.fn_SQLSigTSQL') IS NOT NULL

DROP FUNCTION dbo.fn_SQLSigTSQL;

GO

CREATE FUNCTION dbo.fn_SQLSigTSQL

(@p1 NTEXT, @parselength INT = 4000)

RETURNS NVARCHAR(4000)

AS

BEGIN

DECLARE @pos AS INT;

DECLARE @mode AS CHAR(10);

DECLARE @maxlength AS INT;

DECLARE @p2 AS NCHAR(4000);

DECLARE @currchar AS CHAR(1), @nextchar AS CHAR(1);

DECLARE @p2len AS INT;

SET @maxlength = LEN(RTRIM(SUBSTRING(@p1,1,4000)));

SET @maxlength = CASE WHEN @maxlength > @parselength

THEN @parselength ELSE @maxlength END;

SET @pos = 1;

SET @p2 = '';

SET @p2len = 0;

SET @currchar = '';

set @nextchar = '';

SET @mode = 'command';

WHILE (@pos <= @maxlength)

BEGIN

SET @currchar = SUBSTRING(@p1,@pos,1);

SET @nextchar = SUBSTRING(@p1,@pos+1,1);

IF @mode = 'command'

BEGIN

SET @p2 = LEFT(@p2,@p2len) + @currchar;

SET @p2len = @p2len + 1 ;

IF @currchar IN (',','(',' ','=','<','>','!')

AND @nextchar BETWEEN '0' AND '9'

BEGIN

SET @mode = 'number';

SET @p2 = LEFT(@p2,@p2len) + '#';

SET @p2len = @p2len + 1;

END

IF @currchar = ''''

BEGIN

SET @mode = 'literal';

SET @p2 = LEFT(@p2,@p2len) + '#''';

SET @p2len = @p2len + 2;

END

END

ELSE IF @mode = 'number' AND @nextchar IN (',',')',' ','=','<','>','!')

SET @mode= 'command';

ELSE IF @mode = 'literal' AND @currchar = ''''

SET @mode= 'command';

SET @pos = @pos + 1;

END

RETURN @p2;

END

GO

------------------------------------------------

--功能：trace跟踪

--时间：年月日

-------------------------------------------------

SET NOCOUNT ON;

USE master;

GO

IF OBJECT_ID('dbo.sp_perfworkload_trace_start') IS NOT NULL

DROP PROC dbo.sp_perfworkload_trace_start;

GO

-- Creation script for the sp_perfworkload_trace_start stored procedure

CREATE PROC dbo.sp_perfworkload_trace_start

@dbid      AS INT,

@tracefile AS NVARCHAR(254),

@traceid   AS INT OUTPUT

AS

-- Create a Queue

DECLARE @rc          AS INT;

DECLARE @maxfilesize AS BIGINT;

SET @maxfilesize = 5;

EXEC @rc = sp_trace_create @traceid OUTPUT, 0, @tracefile, @maxfilesize, NULL

IF (@rc != 0) GOTO error;

-- Client side File and Table cannot be scripted

-- Set the events

DECLARE @on AS BIT;

SET @on = 1;

exec sp_trace_setevent @TraceID, 10, 1, @on

exec sp_trace_setevent @TraceID, 10, 3, @on

exec sp_trace_setevent @TraceID, 10, 11, @on

exec sp_trace_setevent @TraceID, 10, 35, @on

exec sp_trace_setevent @TraceID, 10, 12, @on

exec sp_trace_setevent @TraceID, 10, 13, @on

exec sp_trace_setevent @TraceID, 43, 1, @on

exec sp_trace_setevent @TraceID, 43, 3, @on

exec sp_trace_setevent @TraceID, 43, 11, @on

exec sp_trace_setevent @TraceID, 43, 35, @on

exec sp_trace_setevent @TraceID, 43, 12, @on

exec sp_trace_setevent @TraceID, 43, 28, @on

exec sp_trace_setevent @TraceID, 43, 13, @on

exec sp_trace_setevent @TraceID, 45, 1, @on

exec sp_trace_setevent @TraceID, 45, 3, @on

exec sp_trace_setevent @TraceID, 45, 11, @on

exec sp_trace_setevent @TraceID, 45, 35, @on

exec sp_trace_setevent @TraceID, 45, 12, @on

exec sp_trace_setevent @TraceID, 45, 28, @on

exec sp_trace_setevent @TraceID, 45, 13, @on

exec sp_trace_setevent @TraceID, 12, 1, @on

exec sp_trace_setevent @TraceID, 12, 3, @on

exec sp_trace_setevent @TraceID, 12, 11, @on

exec sp_trace_setevent @TraceID, 12, 35, @on

exec sp_trace_setevent @TraceID, 12, 12, @on

exec sp_trace_setevent @TraceID, 12, 13, @on

exec sp_trace_setevent @TraceID, 41, 1, @on

exec sp_trace_setevent @TraceID, 41, 3, @on

exec sp_trace_setevent @TraceID, 41, 11, @on

exec sp_trace_setevent @TraceID, 41, 35, @on

exec sp_trace_setevent @TraceID, 41, 12, @on

exec sp_trace_setevent @TraceID, 41, 13, @on

-- Set the Filters

DECLARE @intfilter AS INT;

DECLARE @bigintfilter AS BIGINT;

-- Application name filter

EXEC sp_trace_setfilter @traceid, 10, 0, 7, N'SQL Server Profiler%';

-- Database ID filter

EXEC sp_trace_setfilter @traceid, 3, 0, 0, @dbid;

-- Set the trace status to start

EXEC sp_trace_setstatus @traceid, 1;

-- Print trace id and file name for future references

PRINT 'Trce ID: ' + CAST(@traceid AS VARCHAR(10))

+ ', Trace File: ''' + @tracefile + '''';

GOTO finish;

error:

PRINT 'Error Code: ' + CAST(@rc AS VARCHAR(10));

finish:

GO

-----------------------------------------------

--功能：清理索引和统计信息

--时间：年月日

-----------------------------------------------

USE [MASTER]

GO

/****** 对象:  StoredProcedure [dbo].[spCleanIdx]    脚本日期: 10/26/2008 20:06:57 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE PROCEDURE [dbo].[spCleanIdx]

@tabname nvarchar(150) -- 需要删除统计或索引的表

AS

/*

建立新的存储过程

*/

DECLARE @idx_name        nvarchar(150) -- 存放要删除的索引或统计的名称

DECLARE @drop_idx_string nvarchar(200) -- 存放动态组织而成的DROPS  index/stats 语法

--SET NOCOUNT ON

--  查看用户所指定的表是否存在

IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES

WHERE table_type = 'base table' AND table_name = @tabname)

BEGIN

RAISERROR(N'表：''%s'' 并不存在',16, 1, @tabname)

RETURN (1)

END

SET @tabname = OBJECT_ID(@tabname)

IF EXISTS (SELECT id FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status IN (96,10485856,8388704))

BEGIN

DECLARE idx_cursor CURSOR

FOR SELECT name FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status IN (96,10485856,8388704)

OPEN idx_cursor

FETCH NEXT FROM idx_cursor INTO @idx_name

WHILE @@FETCH_STATUS = 0

BEGIN

SET @drop_idx_string = ('DROP STATISTICS '+OBJECT_NAME(@tabname)+'.'+@idx_name)

EXECUTE(@drop_idx_string)

FETCH NEXT FROM idx_cursor INTO @idx_name

END

CLOSE idx_cursor

DEALLOCATE idx_cursor

END

PRINT N'     *** 统计删除完毕***'

IF EXISTS (SELECT id FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status NOT IN (96,10485856,8388704))

BEGIN

DECLARE idx_cursor CURSOR

FOR SELECT name FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status NOT IN (96,10485856,8388704)

OPEN idx_cursor

FETCH NEXT FROM idx_cursor INTO @idx_name

WHILE @@FETCH_STATUS = 0

BEGIN

--确定要删除的索引不是当做Constraint

IF OBJECTPROPERTY (OBJECT_ID(@idx_name),'IsConstraint') IS NULL

BEGIN

SET @drop_idx_string = ('DROP INDEX '+OBJECT_NAME(@tabname)+'.'+@idx_name)

EXECUTE(@drop_idx_string)

END

FETCH NEXT FROM idx_cursor INTO @idx_name

END

CLOSE idx_cursor

DEALLOCATE idx_cursor

END

PRINT N'     *** 索引删除完毕***'