MySQLѧϰ֮·(һ)
1.1MySQLµÄ¸ÅÊö
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- MySQLÊÇÒ»¸ö¿ªÔ´µÄ¹ØϵÐÍÊý¾Ý¿â¹ÜÀíϵͳ¡£
- MySQL·ÖΪÉçÇø°æºÍÆóÒµ°æ¡£
1.2MySQLµÄ°²×°ÓëÅäÖÃ
1.2.1 °²×°·½Ê½:
- msi(ÍƼö)ºÍzip£»
1.2.2MySQLĿ¼½á¹¹£º
- bin Ŀ¼£¬´æ´¢¿ÉÖ´ÐÐÎļþ
- dataĿ¼£¬´æ´¢Êý¾ÝÎļþ
- docs,Îĵµ
- includeĿ¼£¬´æ´¢°üº¬µÄÍ·Îļþ
- libĿ¼£¬´æ´¢¿âÎļþ
- share ,´íÎóÏûÏ¢ºÍ×Ö·û¼¯Îļþ
1.2.3MySQLĬÈ϶˿ڣº3306¡£
1.2.4MySQLÖеij¬¼¶Óû§Îª£ºroot¡£
1.3Æô¶¯Óë¹Ø±ÕMySQL·þÎñ
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- net start mysql
- net stop mysql
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- È¥WindowsµÄ·þÎñÖвÙ×÷¡£
1.4MySQLµÇ½ÓëÍ˳ö
1.怫:
- -uroot -p ------------->ÕË»§ÓëÃÜÂë
- -P -------->¶Ë¿ÚºÅ £¨-P´óд3306ÊDZ¾µØ¶Ë¿ÚºÅ£©
- -h --------->»Ø»·µØÖ·£¨-h127.0.0.1ÊDZ¾µØ»Ø»·µØÖ·£©
- -D ---------> ´ò¿ªÖ¸¶¨µÄÊý¾Ý¿â
- --delimiter -------->Ö¸¶¨µÄ·Ö¸ô·ûºÅ
2.Í˳ö:
- exit;
- quit;
- \q;
1.5 ÐÞ¸ÄMySQLÌáʾ·û
- µÇ¼ǰ£ºshell>mysql -uÓû§Ãû -pÃÜÂë --prompt Ìáʾ·û
- µÇ¼ºó£ºmysql>prompt Ìáʾ·û
- \D ÍêÕûµÄÈÕÆÚ
- \d µ±Ç°Êý¾Ý¿â
- \h ·þÎñÆ÷Ãû³Æ
- \u µ±Ç°µÄÓû§Ãû
1.6 MySQL³£ÓÃÃüÁîÒÔ¼°Óï·¨µÄ¹æ·¶
- SELECT VERSION();#ÏÔʾµ±Ç°·þÎñÆ÷°æ±¾
- SELECT NOW();#ÏÔʾµ±Ç°ÈÕÆÚʱ¼ä
- SELECT USER();#ÏÔʾµ±Ç°Óû§
- ¹Ø¼ü×ÖÓ뺯ÊýÃû³ÆÈ«²¿´óд
- Êý¾Ý¿âÃû³Æ¡¢±íÃû³Æ¡¢×Ö¶ÎÃû³ÆÈ«²¿Ð¡Ð´
- SQLÓï¾ä±ØÐëÒԷֺŽáβ
1.7 ²Ù×÷Êý¾Ý¿â
- ´´½¨Êý¾Ý¿â£ºCREATE DATABASE t1;
- ÏÔʾ´´½¨µÄÊý¾Ý¿âÀàÐÍ£ºSHOW CREATE DATABASE t1;
- ´´½¨Ä³Ò»ÀàÐ͵ÄÊý¾Ý¿â£ºCREATE DATABASE IF NOT EXISTS t2 CHARACTER SET gbk;
- ¸ü¸ÄÊý¾Ý¿âÀàÐÍ£ºALTER DATABASE t2 CHARACTER SET =utf8;
- ÏÔʾÏÖÓÐÊý¾Ý¿â£ºSHOW DATABASES;
- ɾ³ýt1£ºDROP DATABASE t1; DROP DATABASE IF EXISTS t1;
- ÏÔʾ¸æ¾¯£ºSHOW WARNINGS;