MySQL: a import and export data tables

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With libraries

1, the target table does not exist
exist will get an error, make a list of student the same table student_replica

create table student_replica select * from student

2, the presence of the target table
will be inserted into the table student data in the table student_replica

insert into student_replica select * from student

Different libraries

# 数据导出
$ mysqldump -hlocalhost -P3306 -uroot -p123456 demo table > table.sql


# 数据导入
$ mysql -hlocalhost -P3306 -uroot -p123456 demo < table.sql

# 或者
> use db;
> source table.sql;

Reference:
MySQL data in a table into another table bulk
mysql mysqldump file export and import sql