UbuntuÎÞ·¨µÇ¼mysqlµÄ½â¾ö·½·¨
/**********************by garcon1986***************************************/
´íÎó´úÂëÈçÏ£º
#1045 - Access denied for user 'root'@'localhost' (using password: YES)
$cd /etc/mysql
$mysql -u root -p
³öÏÖ´íÎó#1045
³¢ÊÔÁ˺ܶ෽·¨ºó£¬ÔÚÍøÂçÉÏÕÒµ½Á˽â¾ö·½·¨¡£
$cd /etc/mysql
$gedit debian.cnf
ÕÒµ½£º
user = debian-sys-maint
password = xxxxx
ʹÓÃ
$mysql -u debian-sys-maint -p xxxx
µÇ¼³É¹¦
mysql>SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
mysql>flush privileges
mysql>quit
´Ëʱ£¬ÖØÐµÇ½
$cd /etc/mysql
$mysql -u root -p
ÊäÈëÐÂÉèÖõÄÃÜÂ룬µÇ¼³É¹¦
mysql>
ÖÁ´ËÎÊÌâ½â¾ö¡£
Ïà¹ØÎĵµ£º
1¡¢ÓÃMySQLDriverCSÁ¬½ÓMySQLÊý¾Ý¿â
ÏÈÏÂÔØºÍ°²×°MySQLDriverCS£¬µØÖ·£ºhttp://sourceforge.net/projects/mysqldrivercs/ÔÚ°²×°Îļþ¼ÐÏÂÃæÕÒµ½MySQLDriver.dll£¬È»ºó½«MySQLDriver.dllÌí¼ÓÒýÓõ½ÏîÄ¿ÖÐ×¢£ºÎÒÏÂÔØµÄÊǰ汾ÊÇ MySQLDriverCS-n-EasyQueryTools-4.0.1-DotNet2.0.exe using System;using System.Collectio ......
Ô¶³ÌµÇ¼ -h IPµØÖ·
ctrl + d Í˳ö »ò \q »ò quit
select version(); µ±Ç°°æ±¾
current_dateµ±Ç°ÈÕÆÚ »òcurdate() »ò current_date()
SELECT name, birth, curdate(),(year(curdate())-year(birth)) - (right(curdate(),5)<right(birth,5)) as age from ±í ORDER BY name;
year ÌáÈ¡Ä겿·Ö right(curdate(),5)ÌáÈ¡Ó ......
¹Ø¼ü×Ö£º GreenSQL Sphinx phpMyAdmin MySQLÄÚºË Êý¾Ý¿â°²È«ÅäÖÃ
±¾ÎÄÖ÷Òª½éÉÜmysqlÊý¾Ý¿âÏÂshowÃüÁîµÄÖ÷ÒªÓ÷¨
¡¡¡¡a. show tables»òshow tables from database_name; -- ÏÔʾµ±Ç°Êý¾Ý¿âÖÐËùÓбíµÄÃû³Æ¡£
¡¡¡¡b. show databases; -- ÏÔʾmysqlÖÐËùÓÐÊý¾Ý¿âµÄÃû³Æ¡£
¡¡¡¡c. show columns from table_name from data ......
MySQL ×Ö·û´®½ØÈ¡º¯Êý£ºleft(), right(), substring(), substring_index()¡£»¹ÓÐ mid(), substr()¡£ÆäÖУ¬mid(), substr() µÈ¼ÛÓÚ substring() º¯Êý£¬substring() µÄ¹¦Äܷdz£Ç¿´óºÍÁé»î¡£
1. ×Ö·û´®½ØÈ¡£ºleft(str, length)
mysql> select left('sqlstudy.com', 3);+-------------------------+| left('sqlstudy.com', 3) | ......
´Ë´¦ÔËÓÃÁËÒ»¸ö¼¯³ÉµÄxampp¼Ü¹¹¡£²»Óõ¥¶ÀÈ¥°²×°apache·þÎñÆ÷£¬mysqlÊý¾Ý¿â£¬µÈµÈ¡£
£¨Ò»£©XamppµÄ°²×°
ÏÂÔØxampp
1. Ë«»÷xampp£¬µã»÷ÏÂÒ»²½£¬ÏÂÒ»²½£¬ÈçÊÇ£¬¾Í°²×°ÁËxampp¡££¨´Ë´¦°²×°ÔÚÁËc£º\sandboxÏÂÃæÁË£©
2. ½øÐÐxampp°²×°ÊÇ·ñ³É¹¦µÄ²âÊÔ£º
´ò¿ª£ºc:\ ......