Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

È«¹úËùÓгÇÊÐSQL

 --Ê¡¼¶   Provincial
--³ÇÊР  City
create table Provincial(pid int,Provincial varchar(50),primary key (pid))
insert into Provincial values(1,'±±¾©ÊÐ')
insert into Provincial values(2,'Ìì½òÊÐ')
insert into Provincial values(3,'ÉϺ£ÊÐ')
insert into Provincial values(4,'ÖØÇìÊÐ')
insert into Provincial values(5,'ºÓ±±Ê¡')
insert into Provincial values(6,'ɽÎ÷Ê¡')
insert into Provincial values(7,'̨ÍåÊ¡')
insert into Provincial values(8,'ÁÉÄþÊ¡')
insert into Provincial values(9,'¼ªÁÖÊ¡')
insert into Provincial values(10,'ºÚÁú½­Ê¡')
insert into Provincial values(11,'½­ËÕÊ¡')
insert into Provincial values(12,'Õã½­Ê¡')
insert into Provincial values(13,'°²»ÕÊ¡')
insert into Provincial values(14,'¸£½¨Ê¡')
insert into Provincial values(15,'½­Î÷Ê¡')
insert into Provincial values(16,'ɽ¶«Ê¡')
insert into Provincial values(17,'ºÓÄÏÊ¡')
insert into Provincial values(18,'ºþ±±Ê¡')
insert into Provincial values(19,'ºþÄÏÊ¡')
insert into Provincial values(20,'¹ã¶«Ê¡')
insert into Provincial values(21,'¸ÊËàÊ¡')
insert into Provincial values(22,'ËÄ´¨Ê¡')
insert into Provincial values(23,'¹óÖÝÊ¡')
insert into Provincial values(24,'º£ÄÏÊ¡')
insert into Provincial values(25,'ÔÆÄÏÊ¡')
insert into Provincial values(26,'Çຣʡ')
insert into Provincial values(27,'ÉÂÎ÷Ê¡')
insert into Provincial values(28,'¹ãÎ÷׳×å×ÔÖÎÇø')
insert into Provincial values(29,'Î÷²Ø×ÔÖÎÇø')
insert into Provincial values(30,'ÄþÏÄ»Ø×å×ÔÖÎÇø')
insert into Provincial values(31,'н®Î¬Îá¶û×ÔÖÎÇø')
insert into Provincial values(32,'ÄÚÃɹÅ×ÔÖÎÇø')
insert into Provincial values(33,'°ÄÃÅÌرðÐÐÕþÇø')
insert into Provincial values(34,'Ïã¸ÛÌرðÐÐÕþÇø')
--select pid,Provincial from Provincial
create table City(cid int not null,city varchar(50) primary key,pid int foreign key references Provincial(pid))
----------------------------------------------------------------------------------------------------------------------------------------
-----------------------------


Ïà¹ØÎĵµ£º

sql ¼òµ¥Óαê

 ÔÚ´æ´¢¹ý³Ì»ò´¥·¢Æ÷ÖÐʹÓà Transact-SQL ÓαêµÄµäÐ͹ý³ÌΪ£º
ÉùÃ÷ Transact-SQL ±äÁ¿°üº¬Óα귵»ØµÄÊý¾Ý¡£ÎªÃ¿¸ö½á¹û¼¯ÁÐÉùÃ÷Ò»¸ö±äÁ¿¡£ÉùÃ÷×ã¹»´óµÄ±äÁ¿À´±£´æÁзµ»ØµÄÖµ£¬²¢ÉùÃ÷±äÁ¿µÄÀàÐÍΪ¿É´ÓÁÐÊý¾ÝÀàÐÍÒþʽת»»µÃµ½µÄÊý¾ÝÀàÐÍ¡£
ʹÓà DECLARE CURSOR Óï¾ä½« Transact-SQL ÓαêÓë SELECT Óï¾äÏà¹ØÁª¡£ÁíÍ⣬D ......

¼Ç¼һЩsqlÓï¾äoracleµÄ

 select d.code,d.name, sum(w.weight) weight,round(avg(w.price),2) price,sum(w.money) money
from weight_info w left outer join t_dict d on w.productcode=d.code left outer  join t_balancecode b on w.balancecode=b.balancecode where 1=1 and w.operdate>TO_TIMESTAMP('2009-11-2 04:12:32.0', ' ......

SQL SERVERÈçºÎ¼õÉÙËÀËø

 Ö÷ÒªÕë¶ÔSQL ServerÊý¾Ý¿âËÀËøÏÖÏóµÄÔ¤·À¼°½â¾ö´ëÊ©½øÐÐÁËÏêϸµÄ½éÉÜ£¬¸ü¶àÄÚÈÝÇë´ó¼Ò²Î¿¼ÏÂÎÄ£º
¡¡¡¡ËÀËøÊÇÖ¸ÔÚij×é×ÊÔ´ÖУ¬Á½¸ö»òÁ½¸öÒÔÉϵÄÏß³ÌÔÚÖ´Ðйý³ÌÖУ¬ÔÚÕù¶áijһ×ÊԴʱ¶øÔì³É»¥ÏàµÈ´ýµÄÏÖÏó£¬ÈôÎÞÍâÁ¦µÄ×÷ÓÃÏÂ,ËüÃǶ¼½«ÎÞ·¨ÍƽøÏÂÈ¥£¬ËÀʱ¾Í¿ÉÄÜ»á²úÉúËÀËø,ÕâЩÓÀÔ¶ÔÚ»¥ÏàµÈ´ýµÄ½ø³Ì³ÆΪËÀËøÏ̡߳£¼òµ¥µ ......

SQL ServerËÀËø×ܽá

1.
ËÀËøÔ­Àí
   
¸ù¾Ý²Ù×÷ϵͳÖеĶ¨Ò壺ËÀËøÊÇÖ¸ÔÚÒ»×é½ø³ÌÖеĸ÷¸ö½ø³Ì¾ùÕ¼Óв»»áÊͷŵÄ×ÊÔ´£¬µ«Òò»¥ÏàÉêÇë±»ÆäËû½ø³ÌËùÕ¾Óò»»áÊͷŵÄ×ÊÔ´¶ø´¦ÓÚµÄÒ»ÖÖÓÀ¾ÃµÈ´ý״̬¡£
   
ËÀËøµÄËĸö±ØÒªÌõ¼þ£º
»¥³âÌõ¼þ
(Mutual exclusion)
£º×ÊÔ´²»Äܱ»¹²Ïí£¬Ö»ÄÜÓÉÒ»¸ö½ø³ÌʹÓá£
ÇëÇóÓë± ......

SQLÕù°ÔÈüÊÔÌâ¼°²Î¿¼´ð°¸

1.ijҽԺ²¡·¿¼ÆËã»ú¹ÜÀíÖÐÐèÒªÈçÏÂÐÅÏ¢£º£¨15·Ö£©
¿ÆÊÒ£º¿ÆÃû£¬¿ÆµØÖ·£¬¿Æµç»°
²¡·¿£º²¡·¿ºÅ£¬ËùÊô¿ÆÊÒÃû
Ò½Éú£ºÐÕÃû£¬Ö°³Æ£¬ËùÊô¿ÆÊÒÃû£¬ÄêÁ䣬¹¤×÷Ö¤ºÅ
²¡ÈË£º²¡ÀúºÅ£¬ÐÕÃû£¬ÐÔ±ð£¬Õï¶Ï£¬Ö÷¹ÜÒ½Éú£¬²¡·¿ºÅ£¬ÈëסÈÕÆÚ
ÆäÖУ¬Ò»¸ö¿ÆÊÒÓжà¸ö²¡·¿¡¢¶à¸öÒ½Éú£¬Ò»¸ö²¡·¿Ö»ÄÜÊôÓÚÒ»¸ö¿ÆÊÒ£¬Ò»¸öÒ½ÉúÖ»ÊôÓÚÒ»¸ö¿ÆÊÒ£¬µ«¿É¸º ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ