½ô¼±ÇóÖú£ºmysql´´½¨Ë÷Òý³öÎÊÌâÁË
´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¿´¿´¡£¡£
°ÑÄãµÄ index.sql ÎļþÌù³öÀ´¿´Ò»ÏÂ...
create uique index stu_cou_index on student_info.results (student_id, course_id);
show index from student_info.results;
Ïà¹ØÎÊ´ð£º
×ö¸öÕ¾ÄÚËÑË÷£¬ÏÖÔÚÓÃlike ÕâÑùµÄЧÂÊʵÔÚÌ«µÍÁË£¬Ïë¸Ä³ÉÈ«ÎÄËÑË÷·½Ê½¡£
µ«¿´ÁËÍøÉÏ˵µÄÖÐÎÄÖ§³Ö²»ºÃ£¬ÏëÎÊһϸ÷λÐÖµÜÊÇÈçºÎ½â¾öÕâ¸öÎÊÌâµÄ£¿
µ¥¶À½¨Á¢Ö÷Ìâ±íºÍÄÚÈÝ±í ¼ìË÷Ö÷Ìâ
È»ºó¸ù¾ÝÖ÷Ìâ¼ìË÷Ä ......
¸ßÊÖ£¬ÏÖÔÚÓöµ½Ò»¸ömysql±¸·ÝµÄÎÊÌâ¡£
ÎÒµÄÊý¾Ý¿âÀïÓÐһЩÓÃcreate function½¨Á¢µÄ×Ô¶¨Ò庯Êý¡£µ±ÎÒÓÃmysqldump±¸·Ý¸ÃÊý¾Ý¿âÈ»ºóµ¼Èëµ½ÁíÍâÒ»¸ö·þÎñÆ÷BÉÏ£¬·¢ÏÖ·þÎñÆ÷BÉÏÖ»ÓÐÊý¾Ý£¬¶øÃ»ÓÐÄÇЩ×Ô¶¨ÒåµÄº¯Êý¡£Î ......
Winform+MySQL×öÏîÄ¿£¬ÔÚ×¢ÖØÐÔÄܵÄÇé¿öÏ£¬ÎÒ¸ÃÈçºÎÈ¥Íê³ÉÕâÀàÐ͵ÄÏîÄ¿ÄØ£¡
Çë¸÷λ¸øÒÔÌáʾ¡£
ÄãÕâ¸ö·¶Î§Ì«¹ãÁË£¬ÎÒ˵2µãÖØÒªµÄ°É
1.WINFORM³ÌÐòÊǵ¥¶ÀÔËÐеÄCS³ÌÐò£¬ºÍBS²»Í¬£¬BSµÄѹÁ¦Ê¼ÖÕ¶¼ÔÚSERVERÉϵ쬶ÔC ......
´ÓÆô¶¯µ½ÄÜÕý³£ÔËÐÐ,´ó¸ÅÒª15µ½20·ÖÖÓ×óÓÒ
ÏÖÏóÊÇ,Æô¶¯ÒÔºómysql½ø³ÌÔÚÈÎÎñ¹ÜÀíÆ÷ÀïÒѾ¿ÉÒÔ¿´µ½ÁË,µ«ÊÇnetstat -anoûÓп´µ½Óнø³ÌÔÚ¼àÌý3306¶Ë¿Ú,ÉÏÃæÊý¾Ý¿â¶¼²»ÄÜ·ÃÎÊ
Ö±µ½15-20·ÖÖÓºó,ÄÜ¿´µ½mysqlÔÚ¼à ......