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收藏几段SQL Server语句和存储过程

来源: 作者: 时间:2007-01-27 点击:

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

--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, 数据挖掘研究院
       (case when COLUMNPROPERTY( a.id,a.name,"IsIdentity")=1 then "√"else "" end) 标识,
       (case when (select count(*)
       from sysobjects
       where (name in

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                 (select name
                from sysindexes
                where (id = a.id) and (indid in
                          (select indid
                         from sysindexkeys

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                         where (id = a.id) and (colid in
                                   (select colid
                                  from syscolumns
                                  where (id = a.id) and (name = a.name))))))) and 数据挖掘研究院
              (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, 数据挖掘研究院
       (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 数据挖掘研究院

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)

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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
where  a.xtype=b.xusertype  and  a.id=d.id  and  d.xtype="U"

declare read_cursor cursor
for select TableName,FieldName from #t 数据挖掘实验室

select top 1 "_TableName                     " TableName,
            "FieldName                      " FieldName,"TypeName             " TypeName,
            "Length" Length,"IS_NULL" IS_NULL,
            "MaxLenUsed" as MaxLenUsed,"Sample Value          " Sample, 数据挖掘研究院
             "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 数据挖掘实验室
              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 数据挖掘研究院
              --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) ")" 数据挖掘研究院
              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,

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                     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

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end

close read_cursor
deallocate read_cursor
GO

set ANSI_NULLS ON
GO
set NOCOUNT off
GO

select count(*)  from #t
drop table #t
GO


select count(*)-1  from #tc

select * into ##tx from #tc order by tablename 数据挖掘研究院

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 -Usa -Psa """
print @sql
exec(@sql) 数据挖掘研究院
GO
drop table ##tx
GO

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

--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
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" 数据挖掘实验室
                 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"

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                  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

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  --print @sql
  exec (@sql)
end
GO

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

--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
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 ( "" " 数据挖掘实验室
       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"

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       when a.xtype =61  then "case when " a.name " is null then ""NULL"" else " """"""""" " "convert(varchar(23)," a.name  ",121)"  " """"""""" " end" 数据挖掘研究院
       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" 数据挖掘研究院
       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" 数据挖掘研究院
       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"

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       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"

数据挖掘研究院


       when a.xtype =231 then "case when " a.name " is null then ""NULL"" else " """"""""" " "replace(" a.name ","""""""","""""""""""")"   " """"""""" " end" 数据挖掘实验室
       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" 数据挖掘研究院
       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" 数据挖掘研究院
       when a.xtype =167 then "case when " a.name " is null then ""NULL"" else " """"
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