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

--列出sql server 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 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

go

set nocount on

go

set language 'simplified chinese'

go

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

go

set ansi_nulls on

go

set nocount off

go

elect count(*)  from #t

drop table #t

go

elect count(*)-1  from #tc

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

drop table #tc

--select * from ##tx

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

et @db=db_name()

--请修改用户名和口令 导出到excel 中

et @sql='exec master.dbo.xp_cmdshell ''bcp ..dbo.##tx out c:\'+@db+'_exp.xls -w -c936 -usa -psa '''

rint @sql

exec(@sql)

go

drop table ##tx

go

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

--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))

as

egin

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

go

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

--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))

as

egin

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

go