access ·ÖÒ³Óà SQL²éѯÓï¾ä
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in (select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc) order by id desc
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in (select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc) order by id desc
Ïà¹ØÎĵµ£º
CyberSavvy ¼áÐÅÈí¼þ×Ô¶¯»¯¿ÉÒÔÈÿͻ§ÇáËÉÏíÊÜÉú»î¡£DataPlace ÊǸù«Ë¾µÄÈí¼þ¼´·þÎñ½â¾ö·½°¸£¬Ò²¿É³ÆÖ®Îª“Êý¾Ý¿â¹¤³§”£¬ËüÄܹ»ÈÃÃæÏò¼¼ÊõÒÔ¼°ÃæÏòÉÌÎñµÄÓû§´´½¨²¢ÐÞ¸Ä×Ô¼ºµÄÊý¾Ý¿â£¬¶øCyberSavvy ¹«Ë¾½«Îª¸ÃÊý¾Ý¿âÌṩÍйܷþÎñ¡£Òò´ËCyberSavvy ¹«Ë¾ÐèÒªÅÍʯ°ã¼á¹ÌµÄÊý¾Ý¿â£¬²¢Í¨¹ýÍòÎÞһʧµÄÊý¾Ý´«Êä»úÖÆÀ´Ö ......
--ÔÚÈÕ³£Î¬»¤£¬¿ª·¢Öг£Óöµ½Ð´Ò»ÏµÁнṹÀàÐ͵ÄsqlÓï¾ä£¬ºÜ·³ºÜÀÛÆäʵ¿ÉÒÔ
--ÀûÓÃSQL*PLUS»·¾³ÃüÁî Éú³É½Å±¾Îļþ
set heading off --¹Ø±ÕÁеıêÌâ
set feedback off --¹Ø±Õ·´À¡ÐÅÏ¢
  ......
Student(S#,Sname,Sage,Ssex) ѧÉú±í
Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
ÎÊÌ⣺
1¡¢²éѯ“”¿Î³Ì±È“”¿Î³Ì³É¼¨¸ßµÄËùÓÐѧÉúµÄѧºÅ£»
SELECT a.S# from (SELECT s#,score from SC WHERE C#='001') a,
(SELECT s#,score fr ......
Êý¾Ý¿â±¸·ÝʵÀý/**
**Êý¾Ý¿â±¸·ÝʵÀý
**Öì¶þ 2004Äê5ÔÂ
**±¸·Ý²ßÂÔ:
**Êý¾Ý¿âÃû:test
**±¸·ÝÎļþµÄ·¾¶e:\backup
**ÿ¸öÐÇÆÚÌìÁ賿1µã×öÒ»´ÎÍêÈ«±¸·Ý,Ϊ±£ÏÕÆð¼û,±¸·Ýµ½Á½¸öͬÑùµÄÍêÈ«±¸·ÝÎļþtest_full_A.bakºÍtest_full_B.bak
**ÿÌì1µã(³ýÁËÐÇÆÚÌì)×öÒ»´Î²îÒ챸·Ý,·Ö±ð±¸·Ýµ½Á½¸öÎļþtest_df_A.bakºÍtest_df ......
1.½¨±íÓï¾ä£ºcreate table
Ó÷¨: create table ±íµÄÃû×Ö (×Ö¶Î1, ×Ö¶Î2,¡£¡£¡£¡£)
¾ÙÀý£ºÀýÈç´´½¨Ò»¸öѧÉú³É¼¨±í£¬°üº¬µÄ×Ö¶ÎÓУ¬Ñ§Éúid£¬ÐÕÃû£¬ÐԱ𣬰༶£¬³É¼¨create table score(
create table score(
sid nvarchar(10) primary key,
sname nvarchar(10) not null,
sex nvarchar(2),
sc ......