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MySQL³£ÓÃÃüÁî

1. ¸øroot¼ÓÃÜÂ룺/usr/bin/mysqladmin -u root password 123456
2. µ¼³ö£ºmysqldump -u root -p dbname > file.sql
3. µ¼È룺mysql -u root -p dbname < backup-file.sql
4. ÊÚȨ£ºgrant all on *.* to root@"%" identified by "ÃÜÂë";
5. ÊÕ»ØÈ¨ÏÞ£ºrevoke all privileges on *.* from root@"%";
6. µÇ¼£ºmysql -u root -p
7. ²é¿´Êý¾Ý¿â£ºshow databases;
8. ʹÓÃÊý¾Ý¿â£ºuse test;
9. ²é¿´±í£ºshow tables;


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ͨ¹ýSAS fastload Mysql table µ½ Teradata

/*clear fastload tables*/
%let gdw_dir =( user="XXXXX" password="XXXXX" database="XXXXX" tdpid="XXXXX");
proc sql;
connect to teradata as TD &gdw_dir;
execute (drop table STG_MYSQL_lkp_verticals)
by TD;
execute (commit) ......

Linux Ô´Âë°²×°Mysql5.5

¹«Ë¾µÄ·þÎñÆ÷ÊÇCentOS 5.4(Final)°æµÄ£¬½ñÌìÔÚÉÏÃæ°²×°ÁËÒ»»Ømysql5.5£¬¼Ç¼ÈçÏ£º
1¡¢´Óhttp://blog.s135.com/soft/linux/nginx_php/mysql/mysql-5.5.2-m2.tar.gz ÏÂÔØÔ´Âë°²×°°üµ½/usr/local/src
2¡¢tar zxvf mysql-5.5.2-m2.tar.gz ½âѹµ½/usr/local/src/mysql-5.5.2-m2ÏÂ
    cd mysql-5.5.2-m2/
&n ......

Linux+Apache+Mysql+PhpÏêϸ°²×°Îĵµ

ËùÐèÈí¼þÔ´´úÂë°ü£º
httpd-2.2.4.tar.gz   mysql-5.0.27.tar.gz   php-5.2.1.tar.bz2
freetype-2.3.2.tar.gz   gd-2.0.34.tar.gz   jpegsrc.v6b.tar.gz
libpng-1.2.8.tar.bz2   libxml2-2.6.24.tar.bz2  zlib-1.2.2.tar.gz
°²×°Ë³Ðò£ºapache -> mysql ......

¸øÄãµÄMySqlÊÜÔ¶³Ì·ÃÎÊȨÏÞ

¸ømysql¿ªÒ»¸ö¿ÉÒÔÔ¶³Ì·ÃÎʵÄÓû§ÃüÁîÈçÏÂ:
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
"*.*" ±íʾÊý¾Ý¿âÖÐËùÓеıí,Ò²¿ÉÒÔ»»³ÉÖ¸¶¨µÄ±íÈçtest.*
"myuser" ±íʾµÄÊÇ·ÃÎʵÄÓû§Ãû;
"%" ±íʾËùÓеÄÖ÷»ú¼´ÈκεÄÖ÷»ú¶¼¿ÉÒÔͨ¹ýÕâ¸öÓû§Ãû·ÃÎÊÎÒµÄÊý¾Ý¿â,Ò²¿ÉÒԸóÉÌØ¶¨µ ......

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Èç¹û¿ÉÄÜ£¬ÉùÃ÷ÁÐΪNOT NULL¡£ËüʹÈκÎÊÂÇé¸ü¿ì¶øÇÒÄãΪÿÁнÚʡһλ¡£×¢ÒâÈç¹ûÔÚÄãµÄÓ¦ÓóÌÐòÖÐÄãȷʵÐèÒªNULL£¬ÄãÓ¦¸ÃºÁÎÞÒÉÎÊʹÓÃËü£¬Ö»ÊDZÜÃâȱʡµØÔÚËùÓ ......
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