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

ÇóÒ»ÌõMySqlÓï¾ä

ÓÐ2ÕÅ±í£¬ÁªÏµÈ˱íºÍÁªÏµÈË×é±í

ÁªÏµÈË×é±íÓÐÏÂÁÐ×Ö¶Î
ID    Name    Memo

ÁªÏµÈ˱íÓÐÏÂÁÐ×Ö¶Î
ID    Name    GroupID

ÁªÏµÈË×é±íµÄIDÊÇ×Ô¶¯Ôö¼ÓµÄ£¬ÏÖÔÚÏëÓÃÒ»¶ÎÓï¾äʵÏÖ²åÈëÒ»ÌõÁªÏµÈ˼Ǽ£¬
NameÊÇMichael    ×éÃûÊÇSales
ÒòΪ¸ÃÁªÏµÈ˼ǼËùÔÚµÄSales×éÔÚÁªÏµÈË×é±íÖв»´æÔÚ£¬ËùÒÔ±ØÐëÏȲåÈëÃû×ÖΪSalesµÄÁªÏµÈË×飬Ȼºó¸ù¾Ý·µ»ØµÄ×éIDÔÙ²åÈëÁªÏµÈ˼Ǽµ½ÁªÏµÈ˱íÖС£ÕâÑùµÄMySql¸ÃÔõÃ´Ð´ÄØ£¿
insert into ÁªÏµÈË×é(Name,Memo) values ('Michael','Sales')
insert into ÁªÏµÈ˱í values(last_insert_id(),'Michael','Sales')

SQL code:
insert into ÁªÏµÈË×é(Name,Memo)
values ('Michael','Sales');
insert into ÁªÏµÈ˱í(Name,GroupID)
values('Michael',last_insert_id());


»ò£º

SQL code:
insert into ÁªÏµÈË×é±í(Name,Memo)
values ('Michael','Sales');

insert into ÁªÏµÈ˱í(Name,GroupID)
select 'Michael',max(ID) from ÁªÏµÈË×é±í;



Ïà¹ØÎÊ´ð£º

mysqlµÄÁ¬½Ó³¬Ê±Ê±¼äÔõôÉèÖà - VC/MFC / Êý¾Ý¿â

ÎÒÊÇÓÃmysql×Ô´øµÄC API
if(mysql_real_connect(&mysql,"125.0.0.108","root","root","home",3306,NULL,0))

AfxMessageBox("Êý¾Ý¿âÁ¬½Óʧ°Ü") ......

mysqlÓï¾äÓÅ»¯ÎÊÌâ ´ó¼Ò¸øÓÅ»¯¸öSQLÓï¾ä

SELECT a.tguildname ,SUM(a.ct) +  if (SUM(b.ct) IS NULL ,0,SUM(b.ct)) from (
SELECT  tg.tguildname,c.cid, (
cf.fbb + cf.fgjbb + cf.fjybb + cf.fqb + cf.fgjqb + cf.fjyqb + cf.fqib + cf. ......

mysql µ¼ÖÂËÀ»ú

»·¾³£ºwin2003 apache2 resin3 php5 mysql5
mysql´íÎóÀï³öÏÖÕâ¸ö£¬·þÎñÆ÷Ö±½ÓËÀµ½ÄÇÀï¡£
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_log ......

mysqlµÄÇý¶¯³ÌÐò

ÎÒÓÐÒ»¸öjava»·¾³ÏµijÌÐò£¬ÔÚ±¾»úÔËÐÐÕý³££¬µ«·¢²¼µ½ÍøµÄÐéÄâÖ÷»úʱ²»ÄÜÁ¬½ÓÊý¾Ý¿âÁ¬½Ó³Ø
jdk 1.6 tomcat6.0.18 mysql5 mysqljdbc5.1.5
ÐéÄâÖ÷»úµÄ¼¼ÊõÈËԱ˵£¬Ö»ÄÜÅäÖþÖÓòµÄÊý¾Ý¿âÁ¬½Ó³Ø£¬Ò²¾ÍÊÇÔÚM ......

mysql ÂÒÂëµÄÎÊÌâ

linux·þÎñÆ÷£¬£¬£¬
select £¨case aa when 1 then 'ʯ¼Òׯ' when 2 then '±±¾©' else 'Ìì½ò' end£© as dd from table

javaµ÷ÓÃÖ´ÐеÄsqlÓï¾ä³öÀ´µÄÊÇÂÒÂ룬Êý¾Ý¿âÖ´ÐеIJ»ÊÇ
¸ù¾ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ