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mysqldump -u username -p password –all-databases > all.sql
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id int(4) not null, name varchar(50) not null,
primary key(id))type=innodb;
create table t_emp (
id int(6) not null,
name char(255) not null,fk_id int(4) not null,
primary key(id),
foreign key (fk_id) references t_dept (id)) type=innodb; ......
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datadir=/var/lib/mysql
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socket=/var/lib/mysql/mysql.sock
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