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log-error="your error-log path"
log="Your mysql log path"
log-show-queries="Your slowquery path"
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long_query_time=2
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mysql> use mysql
mysql> update user set password = password(”new_password”) where user = “user_name”;
mysql> flush privileges;
ÆäʵÕâÖÖ·½·¨¾ÍÊǸüÐÂÒ»ÌõÊý¾Ý¿â¼Ç¼£¬ÓëÆÕͨupdateÓï¾ä²»Í¬µÄÊÇ£¬ÃÜÂë¼ÓÃÜ´æ´¢£¬ÐèÓÃpassword()º¯ÊýÀ´Éú³É£¬ÁíÒ»¸ö²»Í ......

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Replication
MySQLµÄreplicationÊÇÒì²½µÄ£¬ÊÊÓÃÓÚ¶ÔÊý¾ÝʵʱÐÔÒªÇó²»ÊÇÌØ±ð¹Ø¼üµÄ³¡¾°¡£slave¶ËµÄIOÏ̸߳ºÔð´Ómaster¶ÁÈ¡ÈÕÖ¾£¬SQLÏß ³ÌרߺÔðÔÚslave¶ËÓ¦ÓôÓmaster¶Á¹ýÀ´µÄÈÕÖ¾£¨ÔçÆÚ ......

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INET_ATON(expr)
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mysql> SELECT INET_ATON('209.207.224.40');
+-----------------------------+
| INET_ATON('209.207.224.40') |
+-----------------------------+
| 3520061480 |
+-------------------- ......
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