mysql»ù±¾ÃüÁî

 Æô¶¯£ºnet start mySql;
  ½øÈ룺mysql -u root -p/mysql -h localhost -u root -p databaseName;
  ÁгöÊý¾Ý¿â£ºshow databases;
  Ñ¡ÔñÊý¾Ý¿â£ºuse databaseName;
  Áгö±í¸ñ£ºshow tables£»
  ÏÔʾ±í¸ñÁеÄÊôÐÔ£ºshow columns from tableName£»
  ½¨Á¢Êý¾Ý¿â£ºsource fileName.txt;
  Æ¥Åä×Ö·û£º¿ÉÒÔÓÃͨÅä·û_´ú±íÈκÎÒ»¸ö×Ö·û£¬£¥´ú±íÈκÎ×Ö·û´®;
  Ôö¼ÓÒ»¸ö×ֶΣºalter table tabelName add column fieldName dateType;
  Ôö¼Ó¶à¸ö×ֶΣºalter table tabelName add column fieldName1 dateType,add columns fieldName2 dateType;
  ¶àÐÐÃüÁîÊäÈë:×¢Òâ²»Äܽ«µ¥´Ê¶Ï¿ª;µ±²åÈë»ò¸ü¸ÄÊý¾Ýʱ£¬²»Äܽ«×ֶεÄ×Ö·û´®Õ¹¿ªµ½¶àÐÐÀ·ñÔòÓ²»Ø³µ½«±»´¢´æµ½Êý¾ÝÖÐ;
  Ôö¼ÓÒ»¸ö¹ÜÀíÔ±ÕÊ»§£ºgrant all on *.* to user@localhost identified by "password";
  ÿÌõÓï¾äÊäÈëÍê±ÏºóÒªÔÚĩβÌî¼Ó·ÖºÅ';'£¬»òÕßÌî¼Ó'\g'Ò²¿ÉÒÔ£»
  ²éѯʱ¼ä£ºselect now();
  ²éѯµ±Ç°Óû§£ºselect user();
  ²éѯÊý¾Ý¿â°æ±¾£ºselect version();
  ²éѯµ±Ç°Ê¹ÓõÄÊý¾Ý¿â£ºselect database();
 
  1¡¢É¾³ýstudent_courseÊý¾Ý¿âÖеÄstudentsÊý¾Ý±í£º
  rm -f student_course/students.*
 
  2¡¢±¸·ÝÊý¾Ý¿â£º(½«Êý¾Ý¿âtest±¸·Ý)
  mysqldump -u root -p test>c:\test.txt
  ±¸·Ý±í¸ñ£º(±¸·ÝtestÊý¾Ý¿âϵÄmytable±í¸ñ)
  mysqldump -u root -p test mytable>c:\test.txt
  ½«±¸·ÝÊý¾Ýµ¼Èëµ½Êý¾Ý¿â£º(µ¼»ØtestÊý¾Ý¿â)
  mysql -u root -p test
 
  3¡¢´´½¨ÁÙʱ±í£º(½¨Á¢ÁÙʱ±ízengchao)
  create temporary table zengchao(name varchar(10));
 
  4¡¢´´½¨±íÊÇÏÈÅжϱíÊÇ·ñ´æÔÚ
  create table if not exists students(……);
 
  5¡¢´ÓÒѾ­ÓеıíÖи´ÖƱíµÄ½á¹¹
  create table table2 select * from table1 where 1<>1;
 
  6¡¢¸´ÖƱí
  create table table2 select * from table1;
 
  7¡¢¶Ô±íÖØÐÂÃüÃû
  alter table table1 rename as table2;
 
  8¡¢ÐÞ¸ÄÁеÄÀàÐÍ
  alter table table1 modify id int unsigned;//ÐÞ¸ÄÁÐidµÄÀàÐÍΪint unsigned
  alte