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

Çë½ÌÒ»¸ösql²éѯµÄÎÊÌâ¡£ - MS-SQL Server / Ó¦ÓÃʵÀý

ÓÐÁ½±í£¨T_CAR£©
{
CAR_ID INT IDENTITY
CUST_ID INT
}
(T_CUSTOMER)
{
CUST_ID INT IDENTITY
CUST_NAME VARCHAR(100)
}

ÏÖÔÚÒª²éѯ±í£¨T_CAR£©ÖÐ×Ö¶ÎCUST_ID²»´æÔÚ±í£¨T_CUSTOMER£©µÄÊý¾Ý

ÒÑÖª²éѯsqlÓÐÁ½¸ö
Ò»£©
SELECT * from T_CAR WHERE CUST_ID NOT IN (SELECT CUST_ID from T_CUSTOMER)
¶þ£©
SELECT * from T_CAR C LEFT JOIN T_CUSTOMER R ON C.CUST_ID=R.CUST_ID WHERE R.CUST_ID IS NULL (ÒÑÖªCUST_IDÔÚ±íT_CARÊÇΨһµÄ¡£)

ÇëÎÊ¡£ÒÔÉÏÁ½ÖÖ²éѯsql£¬ÐÔÄܸüºÃ(ÔÚÈçÏÂÈýÖÖÇé¿öÏ£º1>±íT_CUSTOMERµÄÊý¾ÝÁ¿ºÜ´ó£¬2>±íT_CARµÄÊý¾ÝÁ¿ºÜ´ó£¬ 3>Á½±íµÄÊý¾ÝÁ¿¶¼ºÜ´ó)£¿
ÉÏÃæÁ½¸öÏà±È£¬µÚ¶þ¸ö²éѯЧÂÊ»á¸ß


ѧϰ¡£

select *
from car
left join customer c on car.cust_id=c.cust_id
where c.cust_id is null


Ïà¹ØÎÊ´ð£º

Asp+sql serverÎÊÌâ - Web ¿ª·¢ / ASP

ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º ......

sql - MS-SQL Server / ÒÉÄÑÎÊÌâ

sqlµÄÈí¼þÔÚÄÄÀï¿ÉÒÔϰ¡£¡ÔÚÍøÉÏÕÒÁËÂù¶à¶¼Óò»Á˰¡

Ëæ±ã¸ãÒ»D°æ°É£¬

ѸÀ×µÚÒ»¸ö¾Í¿ÉÒÔÓÃ
2000,2005¶¼ÕâÑù

http://119.147.41.16/down?cid=0698C2D64D7D637D90A6D2482298E6717D4F15CD&t=2&fmt=-1 ......

SQL·ÖÒ³ÓëOracle·ÖÒ³µÄÒÉÎÊ£¿ - Java / Web ¿ª·¢

ÕâÀïÏëÁ˽âÏ£¬¹ØÓÚSQL ServerÖзÖÒ³ºÍOracleÖзÖÒ³£»
ƽ³£Ð´Ó¦ÓóÌÐòµÄʱºò£¬±ÈÈçÓõÄÓïÑÔÊÇJava£¬ÓиöÁбíÒ³Ãæ£¬ÐèÒª¶ÔÊý¾Ý·ÖÒ³ÏÔʾ£»
ÕâÀïÒª·ÖÒ³ÄѵÀ²»ÐèÒª½èÖúJava£¬¶øÖ±½ÓsqlÄÜÖªµÀ·ÖÒ³Âð£¬ÆðÂëÒ²Òª´«¸öÒ³Âë½ ......

ASPÒ³ÃæÎÞ·¨´ò¿ªÇóÖú£¡ - MS-SQL Server / »ù´¡Àà

¸÷λºÃ£¬ÎÒ¸Õ°ÑÒ»¸öASPÍøÕ¾ÉèÖúÃÁË£¬Ò²ÄÜÕý³£·ÃÎÊ¡£µ«ÊÇÔÚÎÒ±¾»úÉϲ»ÄÜ´ò¿ªadmin\login.asp,ËùÒÔÎÞ·¨ÊµÏÖºǫ́¹ÜÀí¡££¨´íÎóÌáʾÎÞ·¨ÕÒµ½ÍøÒ³£¬´úÂë404£¬ÎҵIJÙ×÷ϵͳÊÇwin2000 server)
µ«ÊÇÆæ¹ÖµÄÊÇÔÚ¾ÖÓòÍøµÄÆäËû» ......

SQLÓï¾ä OR ´æ´¢¹ý³Ì£¿ - .NET¼¼Êõ / C#

Ö´ÐÐÊý¾Ý¿â²Ù×÷ʱ£¬Ö±½ÓÓÃSQL Óï¾äºÃһЩ »¹ÊÇÓô洢¹ý³Ì¸ü¼ÑÄØ£¿
¸÷ÊãÆð¼û
Õâ¸öµÄ¾ßÌåÎÊÌâ¾ßÌå·ÖÎö
¼òµ¥µÄselect ¡¢updateºÍinsertµ±È»sql½â¾öÁË
¸´ÔӵķÅÔÚsql·þÎñ¶ËÓ¦¸ÃºÃµã

Â¥Ö÷Çë²ÎÔÄ
http://msdn.micr ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ