Çë½ÌÒ»¸ösqlÓï¾ä
µÚÒ»¸ö±í£º
jc1 jc2 jc3 ysbh
2.2 2.3 2.5 0001
µÚ¶þ¸ö±í£º
jc4 jc5 jc6 ysbh
a b c 0002
ysbhÏà¹ØÁªµÄ±íÊÇ£º
ysbh ysxm
0001 ÕÅÈý
0002 ÀîËÄ
ÈçºÎµÃ³ö¹ØÁª½á¹û£º
jc1 jc2 jc3 jc4 jc5 jc6 ysbh1 ysbh2
2.2 2.3 2.5 a b c ÕÅÈý ÀîËÄ
ΪʲôҪÕâÑùÏÔʾѽ,¸ù±¾Ã»¹ØÁªµÄ
SQL code:
----------------------------------------------------------------
-- Author :fredrickhu(СF£¬Ïò¸ßÊÖѧϰ)
-- Date :2009-11-25 19:40:41
-- Version:
-- Microsoft SQL Server 2005 - 9.00.4035.00 (Intel X86)
-- Nov 24 2008 13:01:59
-- Copyright (c) 1988-2005 Microsoft Corporation
-- Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
--
----------------------------------------------------------------
--> ²âÊÔÊý¾Ý£º[a]
if object_id('[a]') is not null drop table [a]
go
create table [a]([jc1] numeric(2,1),[jc2] numeric(2,1),[jc3] numeric(2,1),[ysbh] varchar(4))
insert [a]
select 2.2,2.3,2.5,'0001'
--> ²âÊÔÊý¾Ý£º[b]
if object_id('[b]') is not null drop table [b]
go
creat
Ïà¹ØÎÊ´ð£º
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jas ......
sql 2005Êý¾Ý¿âÎÒÏëµÃµ½Ò»×Ö·û´®Îª:
sldkf|||sdeww
erkv|||rltdk
jemcl|||ligf
¾ÍÊÇ|||ºóÃæµÄ×Ö·ûÓÐʲôº¯ÊýÄܵõ½Âð£¿ÊÇÔÚsqlÓï¾äдµÄ£¬²»ÊÇÔÚÒ³ÃæÐ´µÄ£¬ÄÇλ¸ßÊÖÀ´Ö¸½ÌÏ£¬ÐÂÊÖ£¬Ð»Ð»
ÔÎ µ ......
ÎÒÒª×öÒ»¸ö¶¨µãʼþ£¬ÊÇÿÌìÍíÉÏ12µã¾Í°ÑÈý¸ö±íÀïµÄÐÅÏ¢·ÅÈëÒ»¸ö±íÀÎÒÏëÓô洢¹ý³ÌÀ´Ð´£¬ÔõÃ´Ð´ÄØ£¿£¬ÄÇλ¸ßÊÖ°ï°ïæ°É£¬·Ç³£¸Ðл£¡
Óû§ÃûÊÇΨһµÄ
±íA ×Ö¶Î
Óû§Ãû£ºName ,ÓÊÏ䣺Ema ......
sqlÎÒÏëµÃµ½Ò»×Ö·û´®Îª:
sldkf|||sdeww
erkv|||rltdk
jemcl|||ligf
¾ÍÊÇ|||ºóÃæµÄ×Ö·ûÓÐʲôº¯ÊýÄܵõ½Âð£¿ÊÇÔÚsqlÓï¾äдµÄ£¬²»ÊÇÔÚÒ³ÃæÐ´µÄ£¬ÄÇλ¸ßÊÖÀ´Ö¸½ÌÏ£¬ÐÂÊÖ£¬Ð»Ð»
ÔνñÌì²»ÊÇдÁËô
select parsen ......
Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
ÌâÄ¿£º°Ñ¡°SC¡±±íÖС°Ò¶Æ½¡±ÀÏʦ½ÌµÄ¿ÎµÄ³É¼¨¶¼¸ü¸ÄΪ´Ë¿Î³ÌµÄƽ¾ù³É¼¨£»
update SC set sco ......