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

SQL½»²æ±í²éѯ ÈçºÎʵÏÖ

Çë½Ì´ó¼ÒÒ»¸öÓйØSQL½»×¤±¨±í²éѯÎÊÌ⣬»¶Ó­¸÷λָ½Ì£¡
ÎÒÏë°Ñͼ1µÄʹÓÃÐÅÏ¢£¬Ê¹ÓÃSQLÓï¾ä£¬ÊµÏÖÈçͼ2µÄ½á¹û¡£
±íÃû
ÐòºÅ
×Ö¶ÎÃû
a
1
c
a
2
d
a
3
e
a
4
f
a
5
g
b
1
h
b
2
i
b
3
j
b
4
k
b
5
l
c
1
m
c
2
n
c
3
o
c
4
p
c
5
q
ͼ1
 
±íÃû
ÐòºÅ
1
2
3
4
5
a
c
d
e
f
g
b
h
i
j
k
l
c
m
n
o
p
q
ͼ2


Ïà¹ØÎĵµ£º

jspÁ¬½Ósql server2005



jspÁ¬½Ósql server2005
£¨¾­²âÊÔÁ¬½Ó³É¹¦£©
  ½Ó´¥Java»òÕßJSP£¬ÄÑÃâ»áʹÓõ½Êý¾Ý¿â
SQL Server
2000/2005£¨ÎÒʹÓÃ2005±ê×¼°æ[9.0.3054]²âÊÔ£©£¬¾­¹ý×Ô¼ºµÄËÑË÷ºÍÑо¿£¬Ê¹ÓÃJDBCÁ¬½ÓSQL
Server³É¹¦£¬ÌØ´ËÕûÀí·½·¨£¨Ê¹ÓÃEclipse 3.2£©ÈçÏ¡£
×¼±¸¹¤×÷
Ê×ÏÈ£¬²Ù×÷ϵͳ
Öа²×°ºÃSQL Server
2000/2005£¬È ......

Ò»¸öprogrammer¹ØÓÚOracle SQLµÄѧϰС½áÓë˼¿¼

http://www.javaeye.com/topic/366991#
×÷Ϊһ¸ö¿ª·¢ÈËÔ±£¬¿ªÊ¼ÈÏÕæÏµÍ³Ñ§Ï°
Oracle SQLÒ²Ö»ÓÐÔÂÓ֮࣬ǰµÄ
SQLÖª
ʶ½ö½öÊÇÏîÄ¿ÀïÃæÓõ½Ê²Ã´¾ÍÈ¥¿´Ê²Ã´£¬¼òµ¥Ëµ¾ÍÊÇ
Read The Fxxking Guide¡£ÔÚϵͳѧϰ
Oracle
SQL֮ǰ£¬°³µÄÏë·¨¾ÍÊÇ“°´ÕÕÐèÇóÍê³É¹¦ÄÜ£¬Ê£ÏµĽ»¸ø
DBAÀ´´¦À픡£Õâ¸öÏë·¨´ÓÕûÌåÀ´¿´ÏÔ ......

¾­µäSQLÓï¾ä´óÈ«

Ò»¡¢»ù´¡
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡¢ËµÃ÷£º±¸·Ýsql server
--- ´´½¨ ±¸·ÝÊý¾ÝµÄ device
USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'
--- ¿ªÊ¼ ±¸·Ý
BACKUP DATABASE pubs TO testBack
4¡¢Ëµ ......

SQLǶÌ××Ó²éѯ


      ʹÓÃ×Ó²éѯµÄÔ­Ôò
      1.Ò»¸ö×Ó²éѯ±ØÐë·ÅÔÚÔ²À¨ºÅÖС£
      2.½«×Ó²éѯ·ÅÔڱȽÏÌõ¼þµÄÓÒ±ßÒÔÔö¼Ó¿É¶ÁÐÔ¡£
      ×Ó²éѯ²»°üº¬ ORDER BY ×Ӿ䡣¶ÔÒ»¸ö SELECT Óï¾äÖ»ÄÜÓÃÒ»¸ö ORDER BY ×Ó¾ä,
&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ