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

mysql:´´½¨Ë÷Òý³ö´í

´ó¼ÒºÃ£¬ÎÒÔÚ´´½¨Ë÷Òýʱ£¬³öÏÖ´íÎóÌáʾ£¬´úÂëÈçÏ£º

create uique index stu_cou_index on student_info.results (student_id, course_id);
show index from student_info.results;

±£´æÎªindex.sql£¬È»ºóÔËÐУ¬³öÏÖ´íÎó£º
mysql> c:\wamp\www\index.sql
      show warnings disabled.
      show warnings disabled.
      error:
      unknown command '\i'
      ->

²¢ÇÒûÓа취»Øµ½mysql>µÄÌáʾ·û״̬£¬Ö»ÄܹرÕmysqlÔËÐÐ̨£¬ÔÙ´ÓнøÈë¡£¡£¡£
лл¸÷λ´óϺ£¬°ïÎÒ¿´¿´¡£¡£

×¢ÒâÄãÃüÁîÐеÄÊéд£¬×îºÃתÒå\ºÅ£¬
mysql > c:\\wamp\\www\\index.sql
»òÕß
mysql > c:/wamp/www/index.sql

ÎÒÊÔ¹ýÁË£¬²»ÊÇÕâ¸ö´íÎ󡣡£¡£

create unique index stu_cou_index on student_info.results (student_id, course_id);

лл3Â¥µÄ¼°Ê±»Ø¸´£¬µ«ÊǸÄÁË»¹ÊDz»ÐУ¬»¹ÊdzöÏÖ´íÎóÌáʾ
mysql> c:\wamp\www\index.sql
      show warnings disabled.
      show warnings disabled.
      error:
      unknown command '\i'
      ->

²¢ÇÒûÓа취»Øµ½mysql>µÄÌáʾ·û״̬£¬Ö»ÄܹرÕmysqlÔËÐÐ̨£¬ÔÙ´ÓнøÈë¡£¡£¡£



5Â¥£¬ÄãµÄ·½·¨ÊÇÕýÈ·µÄ£¬ÈçºÎÌí¼ÓÄã×öºÃÓÑÄØ£¿



Ïà¹ØÎÊ´ð£º

mysql Ð޸IJéѯÊý¾ÝµÄÎÊÌâ

select time from table

time
2009-09-12 12
2009-09-12 13
2009-09-12 14
2009-09-12 15

Ôõô½« ²éѯµÄÊý¾Ý±äΪ
time
2009-09-12 12ʱ
2009-09-12 13ʱ
2009-09-12 14ʱ
......

MYSQLÖÐÒÑ´æÔÚÓû§±ä¸üȨÏÞ

ÎÒÔÚ°²×°ÂÛ̳µÄʱºò£¬Ð½¨ÁËÒ»¸öMYSQLÓû§£¬È¨ÏÞÊÇALL£¨grant all ¡­¡­£©£¬ÏÖÔÚÂÛ̳°²×°ºÃÁË£¬ÎÒÏëÈÃÕâ¸öÓû§Ö»ÄܲÙ×÷ÌØ¶¨Êý¾Ý¿â£¨·ÃÎʺÍÐ޸쬰üÀ¨´´½¨É¾³ý±í£¬×îºÃ²»ÄÜɾ³ýÊý¾Ý¿â£¬µ«×ö²»µ½¾ÍËãÁË£©£¬ÀýÈçtestÊý¾Ý ......

mysqlÁ¬½ÓÎÊÌâ

Á¬½ÓÊý¾Ý¿âʱÔõô³öÏÖÕâÑùµÄ´íÎó£º[localhost] ERROR 1045: Access denied for user 'root'@'localhost' (using password: YES)
ÔΣ¬Óï¾äÌùÀ´¿´¿´
ÄãÃÜÂëÄØ

ÃÜÂë´íÁ˰ɡ£

¸Õѧmysql,ÕÕ×ÅÊ ......

mysqlÅäÖÃÎļþ£¨my.cnf)

ÏÖÓеķþÎñÆ÷ÊÇ4ºË£¬ÄÚ´æÎª4G£¬Êý¾Ý¿âֻʹÓÃinnodbÊý¾ÝÒýÇæ¡£Á´½ÓÊý¿ÉÄܱȽϸߣ¬ÏÈÉèÖÃΪ500°É£¬¶øÇÒÊý¾Ý¿âÖеÄÊý¾Ý²åÈë¡¢¸üкÍɾ³ý²Ù×÷»á·Ç³£µÄƵ·±¡£
ÓÐûÓиßÈ˰ïæÅäÖÃÒ»ÏÂmy.cnf

Õâ¸öûÓж¨Â۵쬾ßÌå ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ