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精妙的SQL和SQL SERVER 與ACCESS、EXCEL的數(shù)據(jù)導(dǎo)入導(dǎo)出轉(zhuǎn)換

* 說明：復(fù)制表(只復(fù)制結(jié)構(gòu),源表名：a 新表名：b)
      select * into b from a where 1>1
    * 說明：拷貝表(拷貝數(shù)據(jù),源表名：a 目標(biāo)表名：b)
      insert into b(a, b, c) select d,e,f from b;
    * 說明：顯示文章、提交人和最后回復(fù)時(shí)間
      select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b
    * 說明：外連接查詢(表名1：a 表名2：b)
      select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c
    * 說明：日程安排提前五分鐘提醒
      select * from 日程安排 where datediff('minute',f開始時(shí)間,getdate())>5
    * 說明：兩張關(guān)聯(lián)表，刪除主表中已經(jīng)在副表中沒有的信息
      delete from info where not exists ( select * from infobz where info.infid=infobz.infid )
    * 說明：--

      SQL:
      Select A.NUM, A.NAME, B.UPD_DATE, B.PREV_UPD_DATE
      FROM TABLE1,
      (Select X.NUM, X.UPD_DATE, Y.UPD_DATE PREV_UPD_DATE
      FROM (Select NUM, UPD_DATE, INBOUND_QTY, STOCK_ONHAND
      FROM TABLE2
      Where TO_CHAR(UPD_DATE,'YYYY/MM') = TO_CHAR(SYSDATE, 'YYYY/MM')) X,
      (Select NUM, UPD_DATE, STOCK_ONHAND
      FROM TABLE2
      Where TO_CHAR(UPD_DATE,'YYYY/MM') =
      TO_CHAR(TO_DATE(TO_CHAR(SYSDATE, 'YYYY/MM') || '/01','YYYY/MM/DD') - 1, 'YYYY/MM') ) Y,
      Where X.NUM = Y.NUM （+）
      AND X.INBOUND_QTY + NVL(Y.STOCK_ONHAND,0) > X.STOCK_ONHAND ) B
      Where A.NUM = B.NUM
    * 說明：--
      select * from studentinfo where not exists(select * from student where studentinfo.id=student.id) and 系名稱='"strdepartmentname"' and 專業(yè)名稱='"strprofessionname"' order by 性別,生源地,高考總成績
    * 從數(shù)據(jù)庫中去一年的各單位電話費(fèi)統(tǒng)計(jì)(電話費(fèi)定額賀電化肥清單兩個(gè)表來源）
      Select a.userper, a.tel, a.standfee, TO_CHAR(a.telfeedate, 'yyyy') AS telyear,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '01', a.factration)) AS JAN,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '02', a.factration)) AS FRI,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '03', a.factration)) AS MAR,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '04', a.factration)) AS APR,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '05', a.factration)) AS MAY,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '06', a.factration)) AS JUE,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '07', a.factration)) AS JUL,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '08', a.factration)) AS AGU,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '09', a.factration)) AS SEP,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '10', a.factration)) AS OCT,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '11', a.factration)) AS NOV,
      SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '12', a.factration)) AS DEC
      FROM (Select a.userper, a.tel, a.standfee, b.telfeedate, b.factration
      FROM TELFEESTAND a, TELFEE b
      Where a.tel = b.telfax) a
      GROUP BY a.userper, a.tel, a.standfee, TO_CHAR(a.telfeedate, 'yyyy')
    * 說明：四表聯(lián)查問題
      select * from a left inner join b on a.a=b.b right inner join c on a.a=c.c inner join d on a.a=d.d where .....
    * 說明：得到表中最小的未使用的ID號
    * Select (CASE WHEN EXISTS(Select * FROM Handle b Where b.HandleID = 1) THEN MIN(HandleID) + 1 ELSE 1 END) as HandleID  FROM Handle Where NOT HandleID IN (Select a.HandleID - 1 FROM Handle a)
    * 一個(gè)SQL語句的問題:行列轉(zhuǎn)換
      select * from v_temp
      上面的視圖結(jié)果如下:
      user_name role_name
      -------------------------
      系統(tǒng)管理員管理員
      feng 管理員
      feng 一般用戶
      test 一般用戶
      想把結(jié)果變成這樣:
      user_name role_name
      ---------------------------
      系統(tǒng)管理員管理員
      feng 管理員,一般用戶
      test 一般用戶
      ===================
      create table a_test(name varchar(20),role2 varchar(20))
      insert into a_test values('李','管理員')
      insert into a_test values('張','管理員')
      insert into a_test values('張','一般用戶')
      insert into a_test values('常','一般用戶')
      create function join_str(@content varchar(100))
      returns varchar(2000)
      as
      begin
      declare @str varchar(2000)
      set @str=''
      select @str=@str+','+rtrim(role2) from a_test where [name]=@content
      select @str=right(@str,len(@str)-1)
      return @str
      end
      go
      --調(diào)用：
      select [name],dbo.join_str([name]) role2 from a_test group by [name]
      --select distinct name,dbo.uf_test(name) from a_test

    * 快速比較結(jié)構(gòu)相同的兩表
      結(jié)構(gòu)相同的兩表，一表有記錄3萬條左右，一表有記錄2萬條左右，我怎樣快速查找兩表的不同記錄？
      ============================
      給你一個(gè)測試方法，從northwind中的orders表取數(shù)據(jù)。
      select * into n1 from orders
      select * into n2 from orders
      select * from n1
      select * from n2
      --添加主鍵，然后修改n1中若干字段的若干條
      alter table n1 add constraint pk_n1_id primary key (OrderID)
      alter table n2 add constraint pk_n2_id primary key (OrderID)
      select OrderID from (select * from n1 union select * from n2) a group by OrderID having count(*) > 1
      應(yīng)該可以，而且將不同的記錄的ID顯示出來。
      下面的適用于雙方記錄一樣的情況，
      select * from n1 where orderid in (select OrderID from (select * from n1 union select * from n2) a group by OrderID having count(*) > 1)
      至于雙方互不存在的記錄是比較好處理的
      --刪除n1,n2中若干條記錄
      delete from n1 where orderID in ('10728','10730')
      delete from n2 where orderID in ('11000','11001')
      --*************************************************************
      -- 雙方都有該記錄卻不完全相同
      select * from n1 where orderid in(select OrderID from (select * from n1 union select * from n2) a group by OrderID having count(*) > 1)
      union
      --n2中存在但在n1中不存的在10728,10730
      select * from n1 where OrderID not in (select OrderID from n2)
      union
      --n1中存在但在n2中不存的在11000,11001
      select * from n2 where OrderID not in (select OrderID from n1)
    * 四種方法取表里n到m條紀(jì)錄：
      1.
      select top m * into 臨時(shí)表(或表變量) from tablename order by columnname -- 將top m筆插入
      set rowcount n
      select * from 表變量 order by columnname desc

      2.
      select top n * from (select top m * from tablename order by columnname) a order by columnname desc

      3.如果tablename里沒有其他identity列，那么：
      select identity(int) id0,* into #temp from tablename
      取n到m條的語句為：
      select * from #temp where id0 >=n and id0 = m
      如果你在執(zhí)行select identity(int) id0,* into #temp from tablename這條語句的時(shí)候報(bào)錯,那是因?yàn)槟愕腄B中間的select into/bulkcopy屬性沒有打開要先執(zhí)行：
      exec sp_dboption 你的DB名字,'select into/bulkcopy',true

      4.如果表里有identity屬性，那么簡單：
      select * from tablename where identitycol between n and m
    * 如何刪除一個(gè)表中重復(fù)的記錄？
      create table a_dist(id int,name varchar(20))
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      exec up_distinct 'a_dist','id'
      select * from a_dist
      create procedure up_distinct(@t_name varchar(30),@f_key varchar(30))
      --f_key表示是分組字段﹐即主鍵字段
      as
      begin
      declare @max integer,@id varchar(30) ,@sql varchar(7999) ,@type integer
      select @sql = 'declare cur_rows cursor for select '+@f_key+' ,count(*) from ' +@t_name +' group by ' +@f_key +' having count(*) > 1'
      exec(@sql)
      open cur_rows
      fetch cur_rows into @id,@max
      while @@fetch_status=0
      begin
      select @max = @max -1
      set rowcount @max
      select @type = xtype from syscolumns where id=object_id(@t_name) and name=@f_key
      if @type=56
      select @sql = 'delete from '+@t_name+' where ' + @f_key+' = '+ @id
      if @type=167
      select @sql = 'delete from '+@t_name+' where ' + @f_key+' = '+''''+ @id +''''
      exec(@sql)
      fetch cur_rows into @id,@max
      end
      close cur_rows
      deallocate cur_rows
      set rowcount 0
      end
      select * from systypes
      select * from syscolumns where id = object_id('a_dist')
    * 查詢數(shù)據(jù)的最大排序問題（只能用一條語句寫）
      Create TABLE hard (qu char (11) ,co char (11) ,je numeric(3, 0))
      insert into hard values ('A','1',3)
      insert into hard values ('A','2',4)
      insert into hard values ('A','4',2)
      insert into hard values ('A','6',9)
      insert into hard values ('B','1',4)
      insert into hard values ('B','2',5)
      insert into hard values ('B','3',6)
      insert into hard values ('C','3',4)
      insert into hard values ('C','6',7)
      insert into hard values ('C','2',3)
      要求查詢出來的結(jié)果如下：
      qu co je
      ----------- ----------- -----
      A 6 9
      A 2 4
      B 3 6
      B 2 5
      C 6 7
      C 3 4
      就是要按qu分組，每組中取je最大的前2位??！
      而且只能用一句sql語句！??！
      select * from hard a where je in (select top 2 je from hard b where a.qu=b.qu order by je)
    * 求刪除重復(fù)記錄的sql語句？
      怎樣把具有相同字段的紀(jì)錄刪除，只留下一條。
      例如，表test里有id,name字段
      如果有name相同的記錄只留下一條，其余的刪除。
      name的內(nèi)容不定，相同的記錄數(shù)不定。
      有沒有這樣的sql語句？
      ==============================
      A:一個(gè)完整的解決方案：
      將重復(fù)的記錄記入temp1表:
      select [標(biāo)志字段id],count(*) into temp1 from [表名]
      group by [標(biāo)志字段id]
      having count(*)>1
      2、將不重復(fù)的記錄記入temp1表:
      insert temp1 select [標(biāo)志字段id],count(*) from [表名] group by [標(biāo)志字段id] having count(*)=1
      3、作一個(gè)包含所有不重復(fù)記錄的表：
      select * into temp2 from [表名] where 標(biāo)志字段id in(select 標(biāo)志字段id from temp1)
      4、刪除重復(fù)表:
      delete [表名]
      5、恢復(fù)表：
      insert [表名] select * from temp2
      6、刪除臨時(shí)表:
      drop table temp1
      drop table temp2
      ================================
      B:
      create table a_dist(id int,name varchar(20))
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      insert into a_dist values(1,'abc')
      exec up_distinct 'a_dist','id'
      select * from a_dist
      create procedure up_distinct(@t_name varchar(30),@f_key varchar(30))
      --f_key表示是分組字段﹐即主鍵字段
      as
      begin
      declare @max integer,@id varchar(30) ,@sql varchar(7999) ,@type integer
      select @sql = 'declare cur_rows cursor for select '+@f_key+' ,count(*) from ' +@t_name +' group by ' +@f_key +' having count(*) > 1'
      exec(@sql)
      open cur_rows
      fetch cur_rows into @id,@max
      while @@fetch_status=0
      begin
      select @max = @max -1
      set rowcount @max
      select @type = xtype from syscolumns where id=object_id(@t_name) and name=@f_key
      if @type=56
      select @sql = 'delete from '+@t_name+' where ' + @f_key+' = '+ @id
      if @type=167
      select @sql = 'delete from '+@t_name+' where ' + @f_key+' = '+''''+ @id +''''
      exec(@sql)
      fetch cur_rows into @id,@max
      end
      close cur_rows
      deallocate cur_rows
      set rowcount 0
      end
      select * from systypes
      select * from syscolumns where id = object_id('a_dist')
    * 行列轉(zhuǎn)換--普通

      假設(shè)有張學(xué)生成績表(CJ)如下
      Name Subject Result
      張三語文 80
      張三數(shù)學(xué) 90
      張三物理 85
      李四語文 85
      李四數(shù)學(xué) 92
      李四物理 82
      想變成
      姓名語文數(shù)學(xué) 物理
      張三 80 90 85
      李四 85 92 82
      declare @sql varchar(4000)
      set @sql = 'select Name'
      select @sql = @sql + ',sum(case Subject when '''+Subject+''' then Result end) ['+Subject+']'
      from (select distinct Subject from CJ) as a
      select @sql = @sql+' from test group by name'
      exec(@sql)
      行列轉(zhuǎn)換--合并

      有表A,
      id pid
      1 1
      1 2
      1 3
      2 1
      2 2
      3 1
      如何化成表B:
      id pid
      1 1,2,3
      2 1,2
      3 1
      創(chuàng)建一個(gè)合并的函數(shù)
      create function fmerg(@id int)
      returns varchar(8000)
      as
      begin
      declare @str varchar(8000)
      set @str=''
      select @str=@str+','+cast(pid as varchar) from 表A where id=@id
      set @str=right(@str,len(@str)-1)
      return(@str)
      End
      go
      --調(diào)用自定義函數(shù)得到結(jié)果
      select distinct id,dbo.fmerg(id) from 表A
    * 如何取得一個(gè)數(shù)據(jù)表的所有列名
      方法如下：先從SYSTEMOBJECT系統(tǒng)表中取得數(shù)據(jù)表的SYSTEMID,然后再SYSCOLUMN表中取得該數(shù)據(jù)表的所有列名。
      SQL語句如下：
      declare @objid int,@objname char(40)
      set @objname = 'tablename'
      select @objid = id from sysobjects where id = object_id(@objname)
      select 'Column_name' = name from syscolumns where id = @objid order by colid
      或
      Select * FROM INFORMATION_SCHEMA.COLUMNS Where TABLE_NAME ='users'
    * 通過SQL語句來更改用戶的密碼
      修改別人的,需要sysadmin role
      EXEC sp_password NULL, 'newpassword', 'User'
      如果帳號為SA執(zhí)行EXEC sp_password NULL, 'newpassword', sa
    * 怎么判斷出一個(gè)表的哪些字段不允許為空？
      select COLUMN_NAME from INFORMATION_SCHEMA.COLUMNS where IS_NULLABLE='NO' and TABLE_NAME=tablename
    * 如何在數(shù)據(jù)庫里找到含有相同字段的表？
      a. 查已知列名的情況
      Select b.name as TableName,a.name as columnname
      From syscolumns a INNER JOIN sysobjects b
      ON a.id=b.id
      AND b.type='U'
      AND a.name='你的字段名字'
    * 未知列名查所有在不同表出現(xiàn)過的列名
      Select o.name As tablename,s1.name As columnname
      From syscolumns s1, sysobjects o
      Where s1.id = o.id
      And o.type = 'U'
      And Exists (
      Select 1 From syscolumns s2
      Where s1.name = s2.name
      And s1.id > s2.id
      )
    * 查詢第xxx行數(shù)據(jù)
      假設(shè)id是主鍵：
      select * from (select top xxx * from yourtable) aa where not exists(select 1 from (select top xxx-1 * from yourtable) bb where aa.id=bb.id)
      如果使用游標(biāo)也是可以的
      fetch absolute [number] from [cursor_name]
      行數(shù)為絕對行數(shù)
    * SQL Server日期計(jì)算
      a. 一個(gè)月的第一天
      Select DATEADD(mm, DATEDIFF(mm,0,getdate()), 0)
      b. 本周的星期一
      Select DATEADD(wk, DATEDIFF(wk,0,getdate()), 0)
      c. 一年的第一天
      Select DATEADD(yy, DATEDIFF(yy,0,getdate()), 0)
      d. 季度的第一天
      Select DATEADD(qq, DATEDIFF(qq,0,getdate()), 0)
      e. 上個(gè)月的最后一天
      Select dateadd(ms,-3,DATEADD(mm, DATEDIFF(mm,0,getdate()), 0))
      f. 去年的最后一天
      Select dateadd(ms,-3,DATEADD(yy, DATEDIFF(yy,0,getdate()), 0))
      g. 本月的最后一天
      Select dateadd(ms,-3,DATEADD(mm, DATEDIFF(m,0,getdate())+1, 0))
      h. 本月的第一個(gè)星期一
      select DATEADD(wk, DATEDIFF(wk,0,
      dateadd(dd,6-datepart(day,getdate()),getdate())
      ), 0)
      i. 本年的最后一天
      Select dateadd(ms,-3,DATEADD(yy, DATEDIFF(yy,0,getdate())+1, 0))。
    * 獲取表結(jié)構(gòu)[把 'sysobjects' 替換成 'tablename' 即可]
      Select CASE IsNull(I.name, '')
      When '' Then ''
      Else '*'
      End as IsPK,
      Object_Name(A.id) as t_name,
      A.name as c_name,
      IsNull(SubString(M.text, 1, 254), '') as pbc_init,
      T.name as F_DataType,
      CASE IsNull(TYPEPROPERTY(T.name, 'Scale'), '')
      WHEN '' Then Cast(A.prec as varchar)
      ELSE Cast(A.prec as varchar) + ',' + Cast(A.scale as varchar)
      END as F_Scale,
      A.isnullable as F_isNullAble
      FROM Syscolumns as A
      JOIN Systypes as T
      ON (A.xType = T.xUserType AND A.Id = Object_id('sysobjects') )
      LEFT JOIN ( SysIndexes as I
      JOIN Syscolumns as A1
      ON ( I.id = A1.id and A1.id = object_id('sysobjects') and (I.status  0x800) = 0x800 AND A1.colid = I.keycnt) )
      ON ( A.id = I.id AND A.name = index_col('sysobjects', I.indid, A1.colid) )
      LEFT JOIN SysComments as M
      ON ( M.id = A.cdefault and ObjectProperty(A.cdefault, 'IsConstraint') = 1 )
      ORDER BY A.Colid ASC
    * 提取數(shù)據(jù)庫內(nèi)所有表的字段詳細(xì)說明的SQL語句
      Select
      (case when a.colorder=1 then d.name else '' end) N'表名',
      a.colorder N'字段序號',
      a.name N'字段名',
      (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else ''
      end) N'標(biāo)識',
      (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) N'主鍵',
      b.name N'類型',
      a.length N'占用字節(jié)數(shù)',
      COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'長度',
      isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小數(shù)位數(shù)',
      (case when a.isnullable=1 then '√'else '' end) N'允許空',
      isnull(e.text,'') N'默認(rèn)值',
      isnull(g.[value],'') AS N'字段說明'
      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 object_name(a.id),a.colorder
    * 快速獲取表test的記錄總數(shù)[對大容量表非常有效]
      快速獲取表test的記錄總數(shù):
      select rows from sysindexes where id = object_id('test') and indid in (0,1)
      update 2 set KHXH=(ID+1)\2 2行遞增編號
      update [23] set id1 = 'No.'+right('00000000'+id,6) where id not like 'No%' //遞增
      update [23] set id1= 'No.'+right('00000000'+replace(id1,'No.',''),6) //補(bǔ)位遞增
      delete from [1] where (id%2)=1
      奇數(shù)
    * 替換表名字段
      update [1] set domurl = replace(domurl,'Upload/Imgswf/','Upload/Photo/') where domurl like '%Upload/Imgswf/%'
    * 截位
      Select LEFT(表名, 5)

熟悉SQL SERVER 2000的數(shù)據(jù)庫管理員都知道，其DTS可以進(jìn)行數(shù)據(jù)的導(dǎo)入導(dǎo)出，其實(shí)，我們也可以使用Transact-SQL語句進(jìn)行導(dǎo)入導(dǎo)出操作。在 Transact-SQL語句中，我們主要使用OpenDataSource函數(shù)、OPENROWSET 函數(shù)，關(guān)于函數(shù)的詳細(xì)說明，請參考SQL聯(lián)機(jī)幫助。利用下述方法，可以十分容易地實(shí)現(xiàn)SQL SERVER、ACCESS、EXCEL數(shù)據(jù)轉(zhuǎn)換，詳細(xì)說明如下：
一、SQL SERVER 和ACCESS的數(shù)據(jù)導(dǎo)入導(dǎo)出
常規(guī)的數(shù)據(jù)導(dǎo)入導(dǎo)出：
使用DTS向?qū)нw移你的Access數(shù)據(jù)到SQL Server，你可以使用這些步驟:
○1在SQL SERVER企業(yè)管理器中的Tools（工具）菜單上，選擇Data Transformation
○2Services（數(shù)據(jù)轉(zhuǎn)換服務(wù)），然后選擇  czdImport Data（導(dǎo)入數(shù)據(jù)）。
○3在Choose a Data Source（選擇數(shù)據(jù)源）對話框中選擇Microsoft Access as the Source，然后鍵入你的.mdb數(shù)據(jù)庫(.mdb文件擴(kuò)展名)的文件名或通過瀏覽尋找該文件。
○4在Choose a Destination（選擇目標(biāo)）對話框中，選擇Microsoft OLE　DB Prov ider for SQL　Server，選擇數(shù)據(jù)庫服務(wù)器，然后單擊必要的驗(yàn)證方式。
○5在Specify Table Copy（指定表格復(fù)制）或Query（查詢）對話框中，單擊Copy tables（復(fù)制表格）。
    ○6在Select Source Tables（選擇源表格）對話框中，單擊Select All（全部選定）。下一步，完成。
Transact-SQL語句進(jìn)行導(dǎo)入導(dǎo)出：
1.在SQL SERVER里查詢access數(shù)據(jù):
Select * FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\DB.mdb";User ID=Admin;Password=')...表名
2.將access導(dǎo)入SQL server
在SQL SERVER 里運(yùn)行:
Select * INTO newtable FROM OPENDATASOURCE ('Microsoft.Jet.OLEDB.4.0','Data Source="c:\DB.mdb";User ID=Admin;Password=' )...表名
3.將SQL SERVER表里的數(shù)據(jù)插入到Access表中
在SQL SERVER 里運(yùn)行：
insert into OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source=" c:\DB.mdb";User ID=Admin;Password=')...表名 (列名1,列名2) select 列名1,列名2  from  sql表
實(shí)例：
insert into  OPENROWSET('Microsoft.Jet.OLEDB.4.0','C:\db.mdb';'admin';'', Test) select id,name from Test
Insert INTO OPENROWSET('Microsoft.Jet.OLEDB.4.0', 'c:\trade.mdb'; 'admin'; '', 表名) Select * FROM sqltablename
二、SQL SERVER 和EXCEL的數(shù)據(jù)導(dǎo)入導(dǎo)出
1、在SQL SERVER里查詢Excel數(shù)據(jù):
Select * FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\book1.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...[Sheet1$]
下面是個(gè)查詢的示例，它通過用于 Jet 的 OLE DB 提供程序查詢 Excel 電子表格。
Select * FROM OpenDataSource ( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\Finance\account.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
2、將Excel的數(shù)據(jù)導(dǎo)入SQL server :
Select * into newtable FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\book1.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...[Sheet1$]
實(shí)例:
Select * into newtable FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\Finance\account.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
3、將SQL SERVER中查詢到的數(shù)據(jù)導(dǎo)成一個(gè)Excel文件
T-SQL代碼：
EXEC master..xp_cmdshell 'bcp 庫名.dbo.表名out c:\Temp.xls -c -q -S"servername" -U"sa" -P""'
參數(shù)：S 是SQL服務(wù)器名；U是用戶；P是密碼
說明：還可以導(dǎo)出文本文件等多種格式
實(shí)例:EXEC master..xp_cmdshell 'bcp saletesttmp.dbo.CusAccount out c:\temp1.xls -c -q -S"pmserver" -U"sa" -P"sa"'
EXEC master..xp_cmdshell 'bcp "Select au_fname, au_lname FROM pubs..authors ORDER BY au_lname" queryout C:\&;authors.xls -c -Sservername -Usa -Ppassword'
在VB6中應(yīng)用ADO導(dǎo)出EXCEL文件代碼：
Dim cn  As New ADODB.Connection
cn.open "Driver={SQL Server};Server=WEBSVR;DataBase=WebMis;UID=sa;WD=123;"
cn.execute "master..xp_cmdshell 'bcp "Select col1, col2 FROM 庫名.dbo.表名" queryout E:\DT.xls -c -Sservername -Usa -Ppassword'"
4、在SQL SERVER里往Excel插入數(shù)據(jù):
insert into OpenDataSource( 'Microsoft.Jet.OLEDB.4.0','Data Source="c:\Temp.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...table1 (A1,A2,A3) values (1,2,3)
T-SQL代碼：
Insert INTO
OPENDATASOURCE('Microsoft.JET.OLEDB.4.0','Extended Properties=Excel 8.0;Data source=C:\training\inventur.xls')...[Filiale1$]  (bestand, produkt) VALUES (20, 'Test')
總結(jié)：利用以上語句，我們可以方便地將SQL SERVER、ACCESS和EXCEL電子表格軟件中的數(shù)據(jù)進(jìn)行轉(zhuǎn)換，為我們提供了極大方便！

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