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

ʹÓÃSQLÓï¾ä

ʹÓÃSQLÓï¾ä
        SQLÓïÑÔ°üÀ¨Êý¾Ý²éѯÓïÑÔ(SELECT)¡¢Êý¾Ý²Ù×ÝÓïÑÔ(INSERT¡¢UPDATE¡¢DELETE)¡¢ÊÂÎñ¿ØÖÆÓïÑÔ(COMMIT¡¢ROLLBACK¡¢SAVEPOINT)¡¢Êý¾Ý¶¨ÒåÓïÑÔ(CREATE TABLE¡¢ALTER TABLE¡¢DROP)¡¢Êý¾Ý¿ØÖÆÓïÑÔ(GRANT¡¢REVOKE)µÈÎå¸ö²¿·Ö¡£
µ±±àдPL/SQLÓ¦ÓóÌÐòʱ£¬Ö»ÄÜÖ±½ÓǶÈëSELECT...INTO...Óï¾ä¡¢DMLÓï¾äºÍÊÂÎñ¿ØÖÆÓï¾ä¡£
(Ò»)ʹÓûù±¾²éѯ
 ¢Ù¼òµ¥²éѯÓï¾ä
(1) Óï·¨£ºSELECT <*,column  [±ðÃû],...> from TABLE|VIEW;
     ÆäÖУº*±íʾ¼ìË÷ËùÓÐÁУ¬columnÓÃÓÚÖ¸¶¨Òª¼ìË÷µÄÁлò±í´ïʽ*£¨¶àÁлò¶à±í´ïʽ֮¼äÓöººÅ·Ö¸ô£©£¬±ðÃûÓÃÓÚÖ¸¶¨Áлò±í´ïʽµÄ±ðÃû£¬fromÓÃÓÚÖ¸¶¨Òª¼ìË÷µÄ±í»òÊÓͼ¡£
×¢£º*ºÍcolumn²»ÄÜ»ìºÏʹÓÃ
(2)DESC(describe)   ±íÃû³Æ     --ÓÃÓÚÈ·¶¨±í½á¹¹
(3)¼ìË÷ÈÕÆÚÁÐʱ£¬ÈÕÆÚĬÈÏÏÔʾ¸ñʽΪ'dd-mon-yy',Èç¹ûÒªÏëʹÓÃ'yyyy-mon-dd'¸ñʽ£¬Ôò±ØÐëʹÓÃTO_CHARº¯Êý½øÐÐת»»¡£
Àý£º
SQL> select ename,job,hiredate from emp where deptno=10;                                                --ĬÈÏ
ENAME      JOB       HIREDATE
---------- --------- --------------
CLARK      MANAGER   09-6ÔÂ -81
KING       PRESIDENT 17-11ÔÂ-81
MILLER     CLERK     23-1ÔÂ -82
SQL> select ename,job,to_char(hiredate,'yyyy-mon-dd') from emp where deptno=10;          --ʹÓÃto_charº¯Êý
ENAME      JOB       TO_CHAR(HIREDATE
---------- --------- ----------------
CLARK      MANAGER   1981-6ÔÂ -09
KING       PRESIDENT 1981-11ÔÂ-17
MILLER     CLERK &n


Ïà¹ØÎĵµ£º

ÓÃASP.NET»¹Ô­Óë»Ö¸´Sql server

ÉÏ´Î×öÁ˸öÏîÄ¿£¬Éæ¼°µ½Êý¾Ý¿âµÄ»¹Ô­ºÍ»Ö¸´£¬µ½ÍøÉÏÕÒÁËһϣ¬ÊÇÀûÓÃSQLDMOʵÏֵģ¬Ö»ÒªÌí¼ÓSQLDMOÒýÓþͺÃÁË£¬È»ºóÀûÓÃϱߵÄÀàµÄ·½·¨¾Í¿ÉÒÔʵÏÖÁË¡£
¡¡¡¡ÎÒ°ÑÔ­×÷ÕßµÄÀàÀ©³äÁËһϣ¬¿ÉÒÔ×Ô¶¯Ê¶±ðweb.configÀï µÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®£¬¿ÉÒÔͨ¹ý±äÁ¿ÉèÖû¹Ô­»Ö¸´µÄÐÅÏ¢¡£
¡¡¡¡ÐèҪעÒâµÄʱ»¹Ô­£¬»¹Ô­µÄʱºòÎÊÌâ×î´óÁË£¬Óбð ......

½â¾öSQL¡¡SERVER2005²»ÄÜÔ¶³ÌÁ¬½ÓÎÊÌâ

¸Õ×°ÍêÊý¾Ý¿â¾Í±»ÈË·è¿ñɨÃèsa£¬ÎÞ±ÈÓôÃÆ¡£
¸ÄsaÃû³Æ£¬1433¶Ë¿ÚºÅ£¬ÒòΪ¿ª·¢ÐèÒª»¹±ØÐë´ò¿ªÔ¶³ÌÁ¬½Ó£¬½á¹ûÔÚ¿Í»§¶ËÎÞÂÛÈçºÎ¶¼²»ÄÜÁ¬½ÓÉÏ·þÎñÆ÷¡£
¿ñº¹Çë°Ù¶È´óÉñ³öÂí£¬°Ñ¸÷ÖÖÅäÖÃÁ·Á˸öÊ죬½á¹û»¹ÊÇû½â¾ö¡£
¸ãЦµÄÊÇ×îºóÎÞÒâÖÐÔÚMicrosoftÂÛ̳ÉÏ¿´µ½Õâôһ¾ä£¬ÐÞ¸ÄÍê¶Ë¿ÚºÅ£¬ÔÚ¿Í»§¶ËµÇ¼µÄʱºòÒªÔÚIPºóÃæ£«¶ººÅ£«¶Ë¿Úº ......

ÈçºÎÅäÖà SQL Server 2005 ÒÔÔÊÐíÔ¶³ÌÁ¬½Ó

½ñÌìÔÚÒ»¸öVPSÉϰ²×°sql2005£¬°²×°ºÃºó±¾µØÒ»Ö±Á¬½Ó²»ÉÏ
¼ò½é
ÔÚ³¢ÊÔ´ÓÔ¶³Ì¼ÆËã»úÁ¬½Óµ½ Microsoft SQL Server 2005 ʵÀýʱ£¬¿ÉÄÜ»á½ÓÊÕµ½´íÎóÏûÏ¢¡£ÔÚʹÓÃÈκγÌÐòÁ¬½Óµ½ SQL Server ʱ¶¼¿ÉÄܻᷢÉú´ËÎÊÌâ¡£ÀýÈ磬ÔÚʹÓà SQLCMD ʵÓù¤¾ßÁ¬½Óµ½ SQL Server ʱÊÕµ½ÒÔÏ´íÎóÏûÏ¢£º
Sqlcmd:´íÎó:Microsoft SQL Native Cli ......

SQL »ù±¾²Ù×÷ ɾ³ý ÐÞ¸Ä Ë¢ÐÂ

SQL³£ÓÃÃüÁîʹÓ÷½·¨£º    
   
  (1)   Êý¾Ý¼Ç¼ɸѡ£º    
   
  sql="select   *   from   Êý¾Ý±í   where   ×Ö¶ÎÃû=×Ö¶ÎÖµ   order   by   ×Ö¶ÎÃû   [desc]"    
   
  sq ......

¼òµ¥µÄsqlÊý¾Ý¿â´¥·¢Æ÷ʵÀý

--ͨ¹ýsqlÆóÒµ¹ÜÀíÆ÷Ð޸ĺÍɾ³ýa±íÖÐÊý¾Ýʱ»á³öÏÖ´íÎó
--sqlÆóÒµ¹ÜÀíBug£¬Í¨¹ý³ÌÐò»òÖ´ÐÐsqlÓï¾ä¸üÐÂa±íÊý¾ÝûÓÐÎÊÌâ
--Ìí¼Ó
Insert a (FName, FCode, FOther) Values('11','2222','33')
--ÐÞ¸Ä
Update a Set FName='22_Edit' Where FCode='22'
--ɾ³ý
Delete a Where FCode='22'
--²é¿´a/b±íÊý¾Ý
Select * from a ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ