mysql Access DeniedÎÞ·¨·ÃÎʵÄÎÊÌâ
mysql Ã÷Ã÷ÒѾװºÃÁË£¬µ«ÊÇÎÞ·¨·ÃÎÊ¡£Á´½ÓµÄʱºò ×ÜÊÇ˵
Access Denied.
½â¾ö·½·¨£º
ÓÃmysqld --skip-grant-tableÆô¶¯mysql
È»ºóÔÚmysql¿âÖÐÖ´ÐÐÕâ¸ö
INSERT INTO user VALUES ('localhost', 'root', PASSWORD('some_pass'), 'Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y', 'Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','','',0,0,0);
Ïà¹ØÎĵµ£º
MYSQL Castº¯Êý ÀàÐÍת»»
BINARY
BINARY²Ù×÷·û½«ºóÃæµÄ×Ö·û´®Å׸øÒ»¸ö¶þ½øÖÆ×Ö·û´®¡£ÕâÊÇÒ»ÖÖ¼òµ¥µÄ·½Ê½À´´ÙʹÖð×Ö½Ú¶ø²»ÊÇÖð×Ö·ûµÄ½øÐÐÁбȽϡ£ÕâʹµÃ±È½ÏÇø·Ö´óСд£¬¼´Ê¹¸ÃÁв»±»¶¨ÒåΪ BINARY»ò BLOB¡£BINARYÒ²»á²úÉú½áβ¿Õ°×£¬´Ó¶ø¸ü¼ÓÏÔÑÛ¡£
mysql> SELECT 'a' = 'A';
-> 1
mysql> SELECT BINARY ' ......
×÷ÕߣºÀÏÍõ Èý¹úÑÝÒ忪ƪһÓïµÀÆÆ£ººÏ¾Ã±Ø·Ö£¡MySQLµÄʹÓÃÒàÊÇÈç´Ë£¬Ãæ¶ÔÓ¦ÓÃÖÐÔ½À´Ô½ÅÓ´óµÄÊý¾ÝÁ¿£¬×îʱ÷ֵĽâ¾ö·½°¸ÊÇShard£¬²»¹ýËüµÄ¸´ÔÓÐÔ²¢²»ÊÇÿ¸ö³ÌÐòÔ±¶¼ÄܼÝÔ¦µÄ£¬Èç¹û°Ñ¼Ü¹¹µÄÑݱä±È×÷ÉúÃüµÄ½ø»¯£¬ÄÇôShard¿ÉÒÔ¿´×öÊDz¸È鶯ÎºÜ¶à¼Ü¹¹×îºóÖ®ËùÒÔʧ°Ü£¬¾ÍÊÇÒòΪËüÃDz½×ÓÂõµÃÌ«´ó£¬Ïë´ÓÔʼÉúÃüÖ±½Ó½ø»¯³É²¸Èé¶ ......
from_unixtime()ÊÇMySQLÀïµÄʱ¼äº¯Êý
dateΪÐèÒª´¦ÀíµÄ²ÎÊý(¸Ã²ÎÊýÊÇUnix ʱ¼ä´Á),¿ÉÒÔÊÇ×Ö¶ÎÃû,Ò²¿ÉÒÔÖ±½ÓÊÇUnix ʱ¼ä´Á×Ö·û´®
ºóÃæµÄ '%Y%m%d' Ö÷ÒªÊǽ«·µ»ØÖµ¸ñʽ»¯
ÀýÈç:
mysql>SELECT from_UNIXTIME( 1249488000, '%Y%m%d' )
->20071120
mysql>SELECT from_UNIXTIME( 1249488000, '%YÄê%mÔ ......
Õâ¶Îʱ¼äÔÚ¿´¡¶High Performance MySQL¡·£¬¿´µ½´æ´¢ÒýÇæÕâ¸öµØ·½¸Ðµ½ºÜ¶àϸ½Ú±È½ÏİÉú£¬ËùÒÔ×ܽáС¼ÇһЩ
ΪÁËÊÊÓ¦¸÷ÖÖ²»Í¬µÄÔËÐл·¾³£¬MYSQLÌṩÁ˶àÖÖ²»Í¬µÄ´æ´¢ÒýÇæ£¨Storage Engine
£©,ÔÚÓ¦ÓóÌÐò¿ª·¢Õâ¸ö²ãÃæÉÏ£¬¿ª·¢Õß¿ÉÒÔ¸ù¾Ý²»Í¬µÄÐèÇóÑ¡ÔñÊʺϵÄStorage Engine
·½°¸£¬¸üΪÁé»îµÄÊÇ£¬Äã¿ÉÒÔ¸ù¾ÝÿÕÅ±í½«Òª´æ´¢Êý ......
ÎÊÌâÃèÊö£º
´Óphp½çÃæinsertÊý¾Ýµ½mysql£¬Ö»ÄÜÊäÈëżÊý¸öºº×Ö²»ÄÜÊäÈëÆæÊý¸öºº×Ö£¬ÊäÈëÆæÊý¸öºº×ֺ󱨓Data too long for column ”´íÎ󣬲¢Ã»Óиü¸ÄÊý¾Ý¿âÊý¾Ý¡£µ½Êý¾Ý¿â²é¿´£¬·¢ÏÖºº×Ö¶¼ÊÇÂÒÂë¡£µ«ÊÇphp½çÃæÏÔʾºº×ÖÕý³££¨µ±È»ÏÔʾµÄ¶¼ÊÇżÊý¸öºº×Ö£¬ÆæÊý¸öºº×Ö¶¼Ã»ÓÐдÈëÊý¾Ý¿â£©¡£
½â¾ö˼·£º
1.¸ü¸Ämy.i ......