How can I check multiple different tables in mysql?

How to check multiple different tables in mysql, such as the table aLnameonlinedate Firefox good2010-01-02IEverygood2010-01-03 table bCnameosdatepsplinux2010-how to check multiple different tables in mysql
For example, Table
Lname online date
Firefox good 2010-01-02
IE very good 2010-01-03


Table B
Cname OS date
Psp linux 2010-01-01
Ps3 linux 2010-01-06

How can I arrange two different tables together ??
1 2 3
Psp linux 2010-01-01
Firefox good 2010-01-02
IE very good 2010-01-03
Ps3 linux 2010-01-06

------ Solution --------------------

SQL code

Select * from aunion allselect * from border by date