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收藏几段SQL Server语句和存储过程

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Jun 07, 2016 pm 03:04 PM

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收藏几段SQL Server 语句和存储过程 (标准化越来越近了) :namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> -- ====================================================== --列出sql server (WINDOWS平台上强大的数据库平台) 所

收藏几段SQL Server语句和存储过程(标准化越来越近了):namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

-- ======================================================

--列出sql server(WINDOWS平台上强大的数据库平台) 所有表，字段名，主键，类型，长度，小数位数等信息

--在查询分析器里运行即可,可以生成一个表，导出到EXCEL中

-- ======================================================

SELECT

　　　 (case when a.colorder=1 then d.name else '' end)表名,

　　　 a.colorder 字段序号,

　　　 a.name 字段名,

　　　 (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,

　　　 (case when (SELECT count(*)

　　　 FROM sysobjects

　　　 WHERE (name in

　　　　　　　(SELECT name

　　　　　　　 FROM sysindexes

　　　　　　 WHERE (id = a.id) AND (indid in

　　　　　　　　　　　 (SELECT indid

　　　　　　　　　　　 FROM sysindexkeys

　　　　　　　　　　　WHERE (id = a.id) AND (colid in

　　　　　　　　　　　　　　　　(SELECT colid

　　　　　　　　　　　　　　　 FROM syscolumns

　　　　　　　　　　　　　　　　 WHERE (id = a.id) AND (name = a.name))))))) AND

　　　　　　(xtype = 'PK'))>0 then '√' else '' end) 主键,

　　　 b.name 类型,

　　　 a.length 占用字节数,

　　　 COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,

　　　 isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,

　　　 (case when a.isnullable=1 then '√'else '' end) 允许空,

　　　 isnull(e.text,'') 默认值,

　　　 isnull(g.[value],'') AS 字段说明　

FROM syscolumns a left join systypes b

on a.xtype=b.xusertype

inner join sysobjects d

on a.id=d.id and d.xtype='U' and d.name'dtproperties'

left join syscomments e

on a.cdefault=e.id

left join sysproperties g

on a.id=g.id AND a.colid = g.smallid

order by a.id,a.colorder

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

列出sql server(WINDOWS平台上强大的数据库平台) 所有表、字段定义，类型，长度，一个值等信息

并导出到Excel 中

-- ======================================================

-- Export all user tables definition and one sample value

-- jan-13-2003,Dr.Zhang

-- ======================================================

在查询分析器里运行：

SET ANSI_NULLS OFF

SET NOCOUNT ON

SET LANGUAGE 'Simplified Chinese'

DECLARE @tbl nvarchar(200),@fld nvarchar(200),@sql nvarchar(4000),@maxlen int,@sample nvarchar(40)

SELECT d.name TableName,a.name FieldName,b.name TypeName,a.length Length,a.isnullable IS_NULL INTO #t

FROM syscolumns a, systypes b,sysobjects d

WHERE a.xtype=b.xusertype and a.id=d.id and d.xtype='U'

DECLARE read_cursor CURSOR

FOR SELECT TableName,FieldName FROM #t

SELECT TOP 1 '_TableName　　　　　　　　　　 ' TableName,

　　　　　 'FieldName　　　　　　　　　　 ' FieldName,'TypeName　　　　　　 ' TypeName,

　　　　　 'Length' Length,'IS_NULL' IS_NULL,

　　　　　 'MaxLenUsed' AS MaxLenUsed,'Sample Value　　　　 ' Sample,

　　　　　　 'Comment　 ' Comment INTO #tc FROM #t

OPEN read_cursor

FETCH NEXT FROM read_cursor INTO @tbl,@fld

WHILE (@@fetch_status -1) --- failes

BEGIN

　　　 IF (@@fetch_status -2) -- Missing

　　　 BEGIN

　　　　　　 SET @sql=N'SET @maxlen=(SELECT max(len(cast('+@fld+' as nvarchar))) FROM '+@tbl+')'

　　　　　　 --PRINT @sql

　　　　　　 EXEC SP_EXECUTESQL @sql,N'@maxlen int OUTPUT',@maxlen OUTPUT

　　　　　　 --print @maxlen

　　　　　　 SET @sql=N'SET @sample=(SELECT TOP 1 cast('+@fld+' as nvarchar) FROM '+@tbl+' WHERE len(cast('+@fld+' as nvarchar))='+convert(nvarchar(5),@maxlen)+')'

　　　　　　 EXEC SP_EXECUTESQL @sql,N'@sample varchar(30) OUTPUT',@sample OUTPUT

　　　　　　 --for quickly　

　　　　　　 --SET @sql=N'SET @sample=convert(varchar(20),(SELECT TOP 1 '+@fld+' FROM '+

　　　　　　　　　　 --@tbl+' order by 1 desc ))'

　　　　　　 PRINT @sql

　　　　　　 print @sample

　　　　　　 print @tbl

　　　　　　 EXEC SP_EXECUTESQL @sql,N'@sample nvarchar(30) OUTPUT',@sample OUTPUT

　　　　　　 INSERT INTO #tc SELECT *,ltrim(ISNULL(@maxlen,0)) as MaxLenUsed,

　　　　　　　　　　 convert(nchar(20),ltrim(ISNULL(@sample,' '))) as Sample,' ' Comment FROM #t where TableName=@tbl and FieldName=@fld

　　　 END

　　　 FETCH NEXT FROM read_cursor INTO @tbl,@fld

END

CLOSE read_cursor

DEALLOCATE read_cursor

SET ANSI_NULLS ON

SET NOCOUNT OFF

select count(*) from #t

DROP TABLE #t

select count(*)-1 from #tc

select * into ##tx from #tc order by tablename

DROP TABLE #tc

--select * from ##tx

declare @db nvarchar(60),@sql nvarchar(3000)

set @db=db_name()

--请修改用户名和口令导出到Excel 中

set @sql='exec master.dbo.xp_cmdshell ''bcp ..dbo.##tx out c:\'+@db+'_exp.xls -w -C936 -(标准化越来越近了):namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Usa -Psa '''

print @sql

exec(@sql)

DROP TABLE ##tx

-- ======================================================

--根据表中数据生成insert语句的存储过程

--建立存储过程，执行 spGenInsertSQL 表名

--感谢playyuer

-- ======================================================

CREATE　 proc spGenInsertSQL (@tablename varchar(256))

begin

declare @sql varchar(8000)

declare @sqlValues varchar(8000)

set @sql =' ('

set @sqlValues = 'values (''+'

select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],'

　 from

　　　 (select case

　　　　　　　　 when xtype in (48,52,56,59,60,62,104,106,108,122,127)　　　　　　　　　　　　　　　

　　　　　　　　　　　then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'

　　　　　　　　 when xtype in (58,61)

　　　　　　　　　　　 then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'

　　　　　　　 when xtype in (167)

　　　　　　　　　　　 then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　　　　　　 when xtype in (231)

　　　　　　　　　　　 then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　　　　　　 when xtype in (175)

　　　　　　　　　　　 then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'

　　　　　　　　 when xtype in (239)

　　　　　　　　　　　 then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'

　　　　　　　　 else '''NULL'''

　　　　　　　 end as Cols,name

　　　　　 from syscolumns

　　　　 where id = object_id(@tablename)

　　　 ) T

set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename

--print @sql

exec (@sql)

end

-- ======================================================

--根据表中数据生成insert语句的存储过程

--建立存储过程，执行 proc_insert 表名

--感谢Sky_blue

-- ======================================================

CREATE proc proc_insert (@tablename varchar(256))

begin

　　　 set nocount on

　　　 declare @sqlstr varchar(4000)

　　　 declare @sqlstr1 varchar(4000)

　　　 declare @sqlstr2 varchar(4000)

　　　 select @sqlstr='select ''insert '+@tablename

　　　 select @sqlstr1=''

　　　 select @sqlstr2=' ('

　　　 select @sqlstr1= ' values ( ''+'

　　　 select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case

--　　 when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'

　　　 when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end'

　　　 when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　 when a.xtype =61 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'

　　　 when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'

　　　 when a.xtype =62 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'

　　　 when a.xtype =56 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end'

　　　 when a.xtype =60 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'

　　　 when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　 when a.xtype =108 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'

　　　 when a.xtype =231 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　 when a.xtype =59 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'

　　　 when a.xtype =58 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'

　　　 when a.xtype =52 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(12),'+a.name +')'+' end'

　　　 when a.xtype =122 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'

　　　 when a.xtype =48 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(6),'+a.name +')'+' end'

--　　 when a.xtype =165 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'

　　　 when a.xtype =167 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'

　　　 else '''NULL'''

　　　 end as col,a.colid,a.name

　　　 from syscolumns a where a.id = object_id(@tablename) and a.xtype 189 and a.xtype 34 and a.xtype 35 and a.xtype 36

　　　 )t order by colid

　　　 select @sqlstr=@sqlstr+left(@sqlstr2,len(@sqlstr2)-1)+') '+left(@sqlstr1,len(@sqlstr1)-3)+')'' from '+@tablename

-- print @sqlstr

　　　 exec( @sqlstr)

　　　 set nocount off

end

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