MySQLÖÐÎÄÂÒÂë½â¾ö·½°¸
˵Ã÷: ÔÚMYSQLÖУ¬Èç¹ûʹÓÃȱʡµÄ×Ö·û¼¯£¬ÔÚ½¨¿â¡¢½¨±íʱ£¬Ä¬ÈÏʹÓõÄÊÇlatin1×Ö·û¼¯£¬
ΪISO 8859-1Î÷Å·×Ö·û¼¯¡£²åÈëÖÐÎÄ×Ö·ûʱ£¬ÓëÖ®²»Æ¥Å䣬¾Í»á³öÏÖÂÒÂë¡£
¡¾½â¾ö·½°¸¡¿
1. ´ò¿ªÎļþ: C:\Program Files\MySQL\MySQL Server 5.0\my.ini;
2. ½«ÆäÖеÄdefault-character-set=latin1¸ÄΪdefault-character-set=gb2312,
È»ºóÖØÆôMYSQL(ÒÔÇ°½¨Á¢µÄÊý¾Ý¿âÐèÖؽ¨);
²âÊÔ: ÔËÐÐMySQL Command Line Client:
ÊäÈëshow variables like 'character_set_%';
¿ÉÒԲ鿴Êý¾Ý¿âµÄ×Ö·û±àÂëÈçÏÂ:
mysql> show variables like 'character_set_%';
+--------------------------+-----------------------------------------+
| Variable_name | Value
+--------------------------+-----------------------------------------+
| character_set_client | gb2312
| character_set_connection | gb2312
| character_set_database | gb2312
| character_set_filesystem | binary
| character_set_results | gb2312
| character_set_server | gb2312 &n
Ïà¹ØÎĵµ£º
mysqladmin extended (¾ø¶ÔÖµ)
ÖصãÈ¥¼àÊÓµÄÖµÓУº
* Slave_running:Èç¹ûϵͳÓÐÒ»¸ö´Ó¸´ÖÆ·þÎñÆ÷£¬Õâ¸öÖµÖ¸Ã÷ÁË´Ó·þÎñÆ÷µÄ½¡¿µ¶È
* Threads_connected:µ±Ç°¿Í»§¶ËÒÑÁ¬½ÓµÄÊýÁ¿¡£Õâ¸öÖµ»áÉÙÓÚÔ¤ÉèµÄÖµ£¬µ«ÄãÒ²ÄܼàÊÓµ½Õâ¸öÖµ½Ï´ó£¬Õâ¿É±£Ö¤¿Í»§¶ËÊÇ´¦ÔÚ»îԾ״̬¡£
* Threads_running:Èç¹ûÊý¾Ý¿â³¬¸ººÉÁË£¬Ä㽫»áµÃµ½Ò»¸ö ......
show tables»òshow tables from database_name;
½âÊÍ£ºÏÔʾµ±Ç°Êý¾Ý¿âÖÐËùÓбíµÄÃû³Æ
show databases;
½âÊÍ£ºÏÔʾmysqlÖÐËùÓÐÊý¾Ý¿âµÄÃû³Æ
show processlist;
½âÊÍ£ºÏÔʾϵͳÖÐÕýÔÚÔËÐеÄËùÓнø³Ì£¬Ò²¾ÍÊǵ±Ç°ÕýÔÚÖ´ÐеIJéѯ¡£´ó¶àÊýÓû§¿ÉÒԲ鿴
ËûÃÇ×Ô¼ºµÄ½ø³Ì£¬µ«ÊÇÈç¹ûËûÃÇÓµÓÐprocessȨÏÞ£¬¾Í¿ÉÒԲ鿴ËùÓÐÈ˵Ľø ......
×î½üÕýÔÚ½øÐÐÒ»¸ö¶þ´Î¿ª·¢½Ó¿ÚµÄÏîÄ¿£¬ÔÚ¿ª·¢¹ý³ÌÖз¢ÏÖ£ºÎÒÃÇ֮ǰʹÓõĴ¦Àí¿Í»§¶ËºÍWEBÖ®¼ä±àÂë¼æÈÝÎÊÌâµÄ·½·¨ÊÇ´æÔÚÎÊÌâµÄ¡£ÓÉÓÚΪÁËÖ§³Ö¶àÓïÑÔ£¬Êý¾Ý¿â±íÖÐÀàÐÍΪvarcharµÄ×ֶΣ¬ËûÃǵÄ×Ö·û¼¯¶¼ÉèÖóÉÁËutf8¡£Ö®Ç°µÄ×ö·¨ÊÇ¿Í»§¶Ë½«×Ö·û´®µÄ±àÂë¸Ä³Éutf8±àÂ룬Ȼºó½«¸Ãutf8±àÂëµÄ× ......
ÊýÖµÀàÐÍ
¡¡¡¡MySQL
µÄÊýÖµÊý¾ÝÀàÐÍ¿ÉÒÔ´óÖ»®·ÖΪÁ½¸öÀà±ð£¬Ò»¸öÊÇÕûÊý£¬ÁíÒ»¸öÊǸ¡µãÊý»òСÊý¡£Ðí¶à²»Í¬µÄ×ÓÀàÐͶÔÕâЩÀà±ðÖеÄÿһ¸ö¶¼ÊÇ¿ÉÓõģ¬Ã¿¸ö×ÓÀàÐÍÖ§³Ö²»Í¬´óСµÄÊý¾Ý£¬²¢ÇÒ
MySQL ÔÊÐíÎÒÃÇÖ¸¶¨ÊýÖµ×Ö¶ÎÖеÄÖµÊÇ·ñÓÐÕý¸ºÖ®·Ö»òÕßÓÃÁãÌî²¹¡£
¡¡¡¡±íÁгöÁ˸÷ÖÖÊýÖµÀàÐÍÒÔ¼°ËüÃǵÄÔÊÐí·¶Î§ºÍÕ¼ÓõÄÄÚ´æ¿Õ¼ä¡ ......
1)¡¢back_log£º
ÒªÇó MySQL ÄÜÓеÄÁ¬½ÓÊýÁ¿¡£µ±Ö÷ÒªMySQLÏß³ÌÔÚÒ»¸öºÜ¶Ìʱ¼äÄڵõ½·Ç³£¶àµÄÁ¬½ÓÇëÇó£¬Õâ¾ÍÆð×÷Óã¬È»ºóÖ÷Ï̻߳¨Ð©Ê±¼ä(¾¡¹ÜºÜ¶Ì)¼ì²éÁ¬½Ó²¢ÇÒÆô¶¯Ò»¸öÐÂÏ̡߳£
back_logÖµÖ¸³öÔÚMySQLÔÝʱֹͣ»Ø´ðÐÂÇëÇó֮ǰµÄ¶Ìʱ¼äÄÚ¶àÉÙ¸öÇëÇó¿ÉÒÔ±»´æÔÚ¶ÑÕ»ÖС£Ö»ÓÐÈç¹ûÆÚÍûÔÚÒ»¸ö¶Ìʱ¼äÄÚÓкܶàÁ¬½Ó£¬ÄãÐèÒªÔ ......