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GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH RIVILEGES;
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GRANT ALL PRIVILEGES ON *.* TO 'root'@'IPµØÖ·'IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH RIVILEGES; 3.Èç¹ûÒªÐÞ¸ÄÓû§ÃÜÂë:http://blog.chinaunix.net/u/29134/showart_373855.html(¼ÇÊöºÜÏêϸ)


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[root@sql21 ~]# mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3 to server version: 5.1.26-rc-log
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> show databases;
+--------------------+
| Database  &nb ......

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CREATE TABLE test (
id INT NOT NULL,
last_name CHAR(30) NOT NULL,
first_name CHAR(30) NOT NULL,
PRIMARY KEY (id),
INDEX name (last_name,first_name)
);
ÒÔÉÏ´ ......

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mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql
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mysqldump -–add-drop-table -uusername -ppassword databasename > bac ......

mysql alter Óï¾äÓ÷¨,Ìí¼Ó¡¢Ð޸ġ¢É¾³ý×ֶεÈ

mysql alter Óï¾äÓ÷¨,Ìí¼Ó¡¢Ð޸ġ¢É¾³ý×ֶεÈ
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alter table tabelname add new_field_id int(5) unsigned default 0 not null auto_increment ,add primary key (new_field_id);
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alter table t2 add d timestamp;
alter table infos add ex tinyint not null default ......
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