SqlÓï¾äѧϰ±Ê¼Ç(4) ²éѯ1
ÕâÀïʹÓõÄÊý¾Ý¿âºÍÊý¾Ý±í·Ö±ðÀ´×ÔSqlÓï¾äѧϰ±Ê¼Ç£¨1£©——´´½¨Êý¾Ý¿âºÍSqlÓï¾äѧϰ±Ê¼Ç£¨2£©——´´½¨Êý¾Ý±í
use RetalDB
/********************
µ¥±í²éѯ
*********************/
--²éѯtb_userÖеÄÊý¾Ý£ºÎÞÌõ¼þ²éѯ
--(1)
select * from tb_user--²éѯËùÓÐÐÅÏ¢
--(2)
select top 2 * from tb_user-- Ö»²éѯǰ2ÐÐÊý¾Ý
--(3)
select user_id,user_name from tb_user;--Ö¸¶¨²éѯÁÐ
--(4)
select user_id as 'Óû§±àºÅ',user_name as 'Óû§Ãû',user_point as 'Óû§»ý·Ö'
from tb_user--¸øÁÐÈ¡±ðÃû
/**********************
where Ìõ¼þ²éѯ
±È½ÏÔËËã·û(´óС±È½Ï)£º
>¡¢>=¡¢=¡¢<¡¢<=¡¢<>¡¢!>¡¢!<
*********************/
---²étb——userÖеÄÊý¾Ý£¬ÓÐÌõ¼þ²éѯ
--(5)
select * from tb_user where user_id=2010001--“=”²éѯָ¶¨²éѯidΪ2010001µÄÕâ¸öÈ˵ÄÈ«²¿ÐÅÏ¢
--(6)
select * from tb_user where user_name like '%Áõ%'--Ä£ºý²éѯÐÕÁõµÄÈË£¬ÆäÖÐ%ÊÇͨÅä·û
/*************************
¶à±íÁªºÏ²éѯ
*************************/
--(7)
select movie_id,movie_name,movie_price
from tb_movie,tb_movie_type
where type_name='ÆÕͨƬ' and
tb_movie_type.type_id=tb_movie.movie_type_id --²éѯÀàÐÍΪÆÕͨƬµÄµçÓ°ÐÅÏ¢
--(8)
select user_name from tb_user A,tb_retal B--¸ø±íÈ¥±ðÃû
where rent_time<getDate() and A.user_id=B.user_id--²éѯ´Ëǰ×â¹ýÓ°µúµÄÓû§
--(9)
select distinct user_name from tb_user A,tb_retal B--¸ø±íÈ¥±ðÃû
where rent_time<getDate() and A.user_id=B.user_id--È¥µôÁËÉÏÒ»¸ö²éѯÖеÄÖØ¸´ÁÐ
--select intoµÄÓ÷¨,´´½¨ÁÙʱ±í,Õâ¸ö±í±ØÐëÔÚϵͳÖв»´æÔÚ
--(10)
select user_name,type_name,rent_time,movie_name--²éѯÓû§µÄ×âÁÞÐÅÏ¢
into tempTable
from tb_user A,tb_movie B,tb_movie_type C,tb_retal D
where A.user_id=D.user_id and B.movie_id=D.movie_id and C.type_id=B.movie_type_id
--(11)
select distinct * from tempTable--distinctÊǶÔÕûÐйýÂË£¬Ö»ÓÐÁ½ÐÐÍêÈ«Ïàͬʱ²Å¹ýÂ˵ô
select * from tempTable
--×ۺϲéѯ
--²éѯÀàÐÍΪ0µÄËùÓÐÆ¬×Ó
--(12)
select movie_name,movie_price,type_name
from tb_movie movie,tb_movie_type type
where type.type_id
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unixODBC-2.2.11-1.RHEL4.1.i386.rpm
unixODBC-devel-2.2.11-1.RHEL4.1.i386.rpm
unixODBC-kde-2.2.11-1.RHEL4.1.i386.rpm
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rpm -Uvh unixODBC-2.2.11-1.RHEL4.1.i386.rpm
rpm -Uvh unixODBC-devel-2.2.11-1.RHEL4.1.i386.rpm
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