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sudo apt-get install mysql-server
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sudo apt-get install php5-mysql
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drop table student;
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sname varchar(8) not null,
ssex char(2) not null,
sage int ,
sdept varchar(20));
select * from student;
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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
......