技术文章 > SQL Server语句和存储过程

SQL Server语句和存储过程

2018-06-22 01:43

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--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

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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
select count(*) from #t
DROP TABLE #t
GO
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 -Usa -Psa “““
print @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
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
GO
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 ( ““+“
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