,-------------------.  ,-------------------.
|dummy              |  |dummy2             |
|-------------------|  |-------------------|
|Sample table.      |  |Sample table.      |
|==                 |  |==                 |
|# id int(10)       |--|# id int(10)       |
|field1 int(10)     |  |+ field1 int(10)   |
|field2 varchar(128)|  |field2 varchar(128)|
`-------------------'  `-------------------'