Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQL Ó¦Óü¸Àý

  1. ˵Ã÷£º¸´ÖƱí(Ö»¸´Öƽṹ£¬Ô´±íÃû£ºa£¬Ð±íÃû£ºb)
SQL: select * into b from a where 1<>1;
        2. ˵Ã÷£º¿½±´±í(¿½±´Êý¾Ý£¬Ô´±íÃû£ºa£¬Ä¿±ê±íÃû£ºb)
SQL: insert into b(a, b, c) select d, e, f from b;
        3. ˵Ã÷£ºÏÔʾÎÄÕ¡¢Ìá½»È˺Í×îºó»Ø¸´Ê±¼ä
SQL: select a.title, a.username, b.adddate
     from table a,(
          select max(adddate) adddate
          from table where table.title=a.title) b ¡¡
        4. ˵Ã÷£ºÍâÁ¬½Ó²éѯ(±íÃû1£ºa£¬±íÃû2£ºb)
SQL: select a.a, a.b, a.c, b.c, b.d, b.f
     from a LEFT OUT JOIN b ON a.a = b.c; ¡¡
        5. ˵Ã÷£ºÈճ̰²ÅÅÌáǰÎå·ÖÖÓÌáÐÑ
SQL: select *
     from Èճ̰²ÅÅ
     where datediff(’’minute’’, f¿ªÊ¼Ê±¼ä, getdate())>5 ¡¡¡¡
¡¡¡¡
        6. ˵Ã÷£ºÁ½ÕŹØÁª±í£¬É¾³ýÖ÷±íÖÐÒѾ­ÔÚ¸±±íÖÐûÓеÄÐÅÏ¢
SQL: delete from info
     where not exists(
           select *
           from infobz
           where info.infid=infobz.infid );
        7. ˵Ã÷£º——
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
 &n


Ïà¹ØÎĵµ£º

sql2005 µ¥Óû§¸ÄΪ¶àÓû§sqlÓï¾ä

 USE master
GO
DECLARE @SQL VARCHAR(MAX);
SET @SQL=''
SELECT @SQL=@SQL+'; KILL '+RTRIM(SPID)
from master..sysprocesses
WHERE dbid=DB_ID('hotel');
EXEC(@SQL);
GO
ALTER DATABASE hotel SET MULTI_USER ......

SQL SERVER ÓëACCESS¡¢EXCELµÄÊý¾Ýת»»

 ÊìϤSQL SERVER 2000µÄÊý¾Ý¿â¹ÜÀíÔ±¶¼ÖªµÀ£¬ÆäDTS¿ÉÒÔ½øÐÐÊý¾ÝµÄµ¼Èëµ¼³ö£¬Æäʵ£¬ÎÒÃÇÒ²¿ÉÒÔʹÓÃTransact-SQLÓï¾ä½øÐе¼Èëµ¼³ö²Ù×÷¡£ÔÚTransact-SQLÓï¾äÖУ¬ÎÒÃÇÖ÷ҪʹÓÃOpenDataSourceº¯Êý¡¢OPENROWSET º¯Êý£¬¹ØÓÚº¯ÊýµÄÏêϸ˵Ã÷£¬Çë²Î¿¼SQLÁª»ú°ïÖú¡£ÀûÓÃÏÂÊö·½·¨£¬¿ÉÒÔÊ®·ÖÈÝÒ×µØÊµÏÖSQL SERVER¡¢ACCESS¡¢EXCELÊý¾ ......

SQL Server 2005 Analysis Services²¿Êðʱ±¨¸æ´íÎó

 Êý¾ÝÔ´......°üº¬ÎÞ·¨ÓÃÓÚ´¦Àí²Ù×÷µÄ ImpersonationMode¡£
½â¾ö·½·¨£º
·þÎñÆ÷Á¬½Ó¸ÄΪ“ʹÓ÷þÎñÕË»§”¡£
¾ßÌå²Ù×÷£º
ÔÚÊý¾ÝÔ´ÀïµÄÏîÄ¿Éϵã»÷ÓÒ¼ü->´ò¿ª->Êý¾ÝÔ´Éè¼ÆÆ÷ £¬ Ñ¡Ôñ“Ä£ÄâÐÅÏ¢”±êÇ©->Ñ¡Ôñ“ʹÓ÷þÎñÕË»§”£¬È·¶¨£¬Ö´Ðв¿Êð¡£ ......

OracleÖУ¬ÓÃÒ»ÌõSqlʵÏÖÈÎÒâµÄÐÐתÁÐÆ´½Ó ¶àÐÐÆ´½Ó

 ±í½á¹¹ºÍÊý¾ÝÈçÏ£¨±íÃûTest£©£º
NO VALUE  NAME
1       a       ²âÊÔ1
1       b       ²âÊÔ2
1       c       ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ