MySql³£ÓÃÃüÁî
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
alt
Ïà¹ØÎĵµ£º
һֱʹÓÃMysql£¬×î½ü²ÅÁ˽⵽MysqlÖ§³ÖÁËTransaction¡£ÀÏÁË£¬¸ú²»ÉÙ³±Á÷ÁË¡£
ÄǾͰÑÔÀ´µÄÓ¦ÓøijÉBased On TransactionµÄ°É¡£
½«½¨±íÓï¾ä¸Ä³ÉEngine=InnoDB£¬ºÃÏñ»¹ÊDz»ÐУ¬Ã»ÓÐÏëÏóÖÐÄÇô¼òµ¥¡£
²éÒ»²é£¬Å¶£¬·¢ÏÖXAMPP°²×°µÄMysql»¹ÒªÐÞ¸ÄconfÎļþ£º
XAMPP from Apache Friends is a collection of free open s ......
1 ÉèÖÃphpMyAdmin
Language:Chinese simplified (zh-utf-8)
MySQL ×Ö·û¼¯£ºUTF-8 Unicode (utf8)
MySQL Á¬½ÓУ¶Ô gbk_chinese_ci
2 ´´½¨Êý¾Ý¿âʱ
ÕûÀíÉèÖÃ³É gbk_chinese_ci
3 ÓÃSQL½¨Á¢±íÖÐ
ENGINE=MyISAM DEFAULT CHARSET=gbk;
ENGINE=InnoDB DEFAULT CHARSET=gbk AUTO_INCREMENT=40 ;
4 ¼ì²é±í½á¹¹ÖÐ
varcha ......
²é¿´·þÎñÆ÷Ŀǰ״̬ÐÅÏ¢µÄÃüÁÁ½ÖÖ·½Ê½£º
1. ÃüÁîÐУ¬½øÈëmysql/binĿ¼Ï£¬ÊäÈëmysqladmin extended-status
2. Á¬½Óµ½mysql£¬ÊäÈëshow status;
3. Èç¹ûÒª²é¿´Ä³¸öÊý¾Ý£¬¿ÉÒÔ
mysql> show s ......
MySQLÖÐʹÓô洢¹ý³Ì
ʹÓÃCallableStatementsÖ´Ðд洢¹ý³Ì
mysql°æ±¾:5.0
Connector/JµÄ°æ±¾:3.1.1ÒÔÉÏ(java.sql.CallableStatement½Ó¿ÚÒÑÍêȫʵÏÖ,³ýÁËgetParameterMetaData()·½·¨)
MySQLµÄ´æ´¢¹ý³ÌÓï·¨ÔÚMySQL²Î¿¼ÊÖ²áµÄ"´æ´¢¹ý³ÌºÍº¯Êý"Ò»ÕÂ.
http://www.mysql.com/doc/en/Stored_Procedures.html
ÏÂÃæÊÇÒ»¸ ......
ΪʲôѡÔñÔ´Âë±àÒë°²×°mysql£ºÎÒÔÚʹÓÃrpm»òÕßÊÇyum°²×°Ê±myql£¬ÀÏÊÇÌáʾÎÒÕÒ²»µ½*.sockÎļþ£¬ÕÒÁ˵ã
×ÊÁÏ˵ÊǸðüÊǷǹٷ½°æ±¾£¨Ã÷Ã÷Êǹٷ½ÏÂÔØ µÄ£©£¬ÆäÖÐÔÒòµ½ÏÖÔÚ»¹Ã»ÓиãÇå³þ¡£Ï£ÍûÖªÇéÈËÊ¿¸æÖª¡££¨¿ªÊ¼±àÒëµÄʱºò£¬ÏµÍ³»·¾³Ò»¶¨ÒªÅäÖúã¬GCC£¬GC++...µÈµÈµÄ±àÒëÆ÷Ò»¶¨Òª×öºÃ,±¾È˵ÄcentosÓÉÓÚ¿ªÊ¼
ϵͳ»·¾ ......