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$ mysql -hserverip -uuser -ppassword
ERROR 1045 (28000): Access denied for user 'user'@'localhost'
(using password: YES)
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$ mysql -uroot -ppassword  #ÓÃrootÓû§ÔÚserverÉϵǼ
mysql> select host, user, password from mysql.user;  #²é¿´mysqlÊý¾Ý¿âuser±íÖеÄÐÅÏ¢
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mysql> grant select, update, insert, delete on *.* to user@clientip identified by "password";
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$ mysql -hserverip -uuser -ppassword
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mysql> grant all on *.* to user@"%" identified by "password";


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Linux ±àÒë°²×° MYSQL 5.1 Óë Innodb

Linux ±àÒë°²×° MYSQL 5.1 Óë Innodb
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./configure \
--prefix=/usr/local/mysql \
--localstatedir=/usr/local/mysql/data \
--with-unix-socket-path=/usr/local/mysql/tmp/mysql.sock \
--with-extra-charsets=all \
--with-charset=utf8 \
- ......

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drop table student;
create table student
(sno   int   not null unique,
 sname varchar(8) not null,
 ssex  char(2)    not null,
 sage int ,
 sdept varchar(20));
 
 select * from student;
 alter table student drop uniq ......

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#==========================================================
#!/bin/bash
current_date=`date +%Y-%m-%d:%H:%M:%S`
/usr/local/mysql/bin/mysqldump -prootpass  dbname1 > ./DB_DIR/dbname1_"$current_date"_dump_file.sql 
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