ÃüÁîÐÐÈçºÎÔ¶³ÌÁ¬½ÓMySQLÊý¾Ý¿â
ÐÂʹÓÃMySQL£¬ËµÆðÀ´ÊǸö¼òµ¥µÄÊÂÇ飬µ«ÊÇÈ´·ÑÁËЩÖÜÕÛ£º
1¡¢µÇ½·þÎñÆ÷¶Ë£¬½øÈëÃüÁîÐУ¬windows cmd;
2¡¢ÉèÖÃÓû§¡¢ÃÜÂëÈÃÖ¸¶¨µÄIP·ÃÎÊ£ºmysql -u root -p »ò°²×°µÄ¿ì½Ý·½Ê½½øÈë:MySQL Command Line Client,ʹÓÃgrantÃüÁ
grant ȨÏÞ1,ȨÏÞ2,…ȨÏÞn on Êý¾Ý¿âÃû³Æ.±íÃû³Æ to Óû§Ãû@Óû§µØÖ· identified by 'Á¬½Ó¿ÚÁî';
Àý×Ó£º
mysql>grant select,insert,update,delete,create,drop on mydb.mytable to lzpddd@192.168.1.88 identified by 'mypassword';
¸øÀ´×Ô192.168.1.88µÄÓû§lzpddd·ÖÅä¿É¶ÔÊý¾Ý¿â mydbµÄmytable±í½øÐÐselect,insert,update,delete,create,dropµÈ²Ù×÷µÄȨÏÞ£¬²¢É趨¿ÚÁîΪ'mypassword';
mysql>grant all privileges on *.* to lzpddd@192.168.1.88 identified by 'mypassword';
¸øÀ´×Ô192.168.1.88µÄÓû§lzpddd·ÖÅä¿É¶ÔËùÓÐÊý¾Ý¿âµÄËùÓÐ±í½øÐÐËùÓвÙ×÷µÄȨÏÞÏÞ£¬²¢É趨¿ÚÁîΪ'mypassword';
mysql>grant all privileges on *.* to lzpddd@% identified by 'mypassword';
¸øÀ´×ÔÈκÎIPµØÖ·µÄÓû§lzpddd·ÖÅä¿É¶ÔËùÓÐÊý¾Ý¿âµÄËùÓÐ±í½øÐÐËùÓвÙ×÷µÄȨÏÞÏÞ£¬²¢É趨¿ÚÁîΪ'mypassword';
3¡¢¹Ø±Õ·þÎñÆ÷¶Ë·À»ðǽ»òÕß¿ª·Å3306¶Ë¿Ú£¨ºÜÖØÒª£©£»
4¡¢¿Í»§¶ËÁ¬½Ó£º
½øÈëÃüÁîÐУ¬windows cmd£¬Á¬½Ó£º
mysql -u Óû§Ãû -pÃÜÂë -h ·þÎñÆ÷IPµØÖ· -P ·þÎñÆ÷¶ËMySQL¶Ë¿ÚºÅ -D Êý¾Ý¿âÃû
×¢Ò⣺
(1)·þÎñÆ÷¶Ë¿Ú±êÖ¾-PÒ»¶¨Òª´óЩÒÔÇø±ðÓÚÓû§-p,Èç¹ûÖ±½ÓÁ¬½ÓÊý¾Ý¿â±êÖ¾-DÒ²Òª´óд£»
(2)Èç¹ûÒªÖ±½ÓÊäÈëÃÜÂë-pºóÃæ²»ÄÜÁôÓпոñÈç-pmypassword;
(3)ÃüÁî½áÊø¶ÎûÓÐ';'·ÖºÅ¡£
Àý×Ó£º
mysql -u lzpddd -pmypassword -h 192.168.1.88 -P 3306 -D mydb
Ïà¹ØÎĵµ£º
ÈçºÎÌá¸ßmysql load
data
infile
µÄËÙ¶È
²âÊÔÊý¾Ý2.5G£¬¹²ÓÐÊý¾Ý9427567Ìõ¡£ÓõÄmysqlµÄlarge·þÎñÆ÷µÄÅäÖá£
load
Ò»´ÎÐèÒª´ó¸Å10·ÖÖÓ×óÓÒ¡£
½¨µÄ±íÓõÄÊÇMYISAM£¬µ÷ÕûÁ˼¸¸ösessionµÄ²ÎÊýÖµ
SET SESSION BULK_INSERT_BUFFER_SIZE=256217728;
SET SESSION MYISAM_SORT_BUFFER_SIZE=256217728;
ÔËÐнá¹ûÈçÏÂ
Qu ......
½ñÌìÕâô¼¤¶¯ÓÖÏëдÎÄÕµÄÔÒòÊÇMySQL5.1µÄ·¢²¼´øÀ´ÁËÉè¼Æ³¬Ç¿¶¯Á¦Êý¾Ý¿âµÄÇ¿ÓÐÁ¦µÄÎäÆ÷£¬ÈκÎMySQLµÄDBA¶¼Ó¦¸Ã¾¡¿ìѧϰ²¢Ê¹ÓÃËü¡£ÎÒ¾õµÃÈç¹ûÄܺܺõÎʹÓÃÕâ¸ö5.1°æ´øÀ´µÄÐÂÌØÐÔ£¬DBA¿ÉÒÔʹ×Ô¼º¹ÜÀíµÄVLDB£¨²»ÖªµÀʲôÊÇVLDB£¿¸æËßÄ㣬ÊǺôóºÃ´óµÄÊý¾Ý¿âµÄÒâ˼£¬Very Large DB£©»òÊý¾Ý²Ö¿âÆæ¼£°ãµÄ»ñµÃ¾Þ´óµÄÐÔÄÜÌáÉý ......
²ÎÊýƪ
×÷/ÒëÕߣºÎâ±þÎý£¬À´Ô´£ºhttp://imysql.cn¡¡£¦¡¡http://imysql.cn/blog/3208¡¡×ªÔØÇë×¢Ã÷×÷/ÒëÕߺͳö´¦£¬²¢ÇÒ²»ÄÜÓÃÓÚÉÌÒµÓÃ;£¬Î¥Õ߱ؾ¿¡£
½éÉÜ£º
¡¡¡¡InnoDB¸øMySQLÌṩÁ˾ßÓÐÌá½»£¬»Ø¹öºÍ±ÀÀ£»Ö¸´ÄÜÁ¦µÄÊÂÎñ°²È«£¨ACID¼æÈÝ£©´æ´¢ÒýÇæ¡£InnoDBËø¶¨ÔÚÐм¶²¢ÇÒÒ²ÔÚSELECTÓï¾äÌṩһ¸öOracle·ç¸ñÒ»Ö ......
Oracleº¯ÊýºÍmysqlº¯Êý±È½Ï
1. OracleÖеÄto_number()ת»»³ÉÊý×Ö£»
Oracle> Select to_number(‘123’) from dual; ----- 123;
&nbs ......
MySQLµÄ±¸·Ý·½Ê½£¬Ä¿Ç°ÎÒÏëµ½µÄÓÐÎåÖÖ£¬ÓпÉÄÜ»¹ÓÐ
1£¬mysqldump·½Ê½£¬¼ÓÉϾßÌå²ÎÊýÃû£¨µ¥¿â£¬¶à¿â£¬´¥·¢Æ÷£¬´æ´¢¹ý³Ì£¬±í½á¹¹£¬×Ö·û¼¯£¬–single-transaction£¬µÈµÈ£©
2£¬mysqlhotcopy Ö»Äܱ¸·ÝmyisamÊý¾Ý±í±¸·Ý£¬ËÙ¶ÈÏ൱¿ì£¬ÒòΪÊÇÎļþ¿½±´£¬¿ÉÄÜ˲¼ä±»Ëø±í£¬ÈκεÄÊý¾Ý²Ù×÷£¬±ÈÈç²åÈëºÍ¸üж¼»á¹ÒÆð¡£
3£¬LVMµ ......