Easily deselect columns you do not wish to migrate. Columns which are part of a primary key have a key icon next to the name.
Default schema mapping rules (as well as project options schema mapping if you have specified your overrides there) determing the target table name.
This screen shows all the source and target columns and the data types. Default data type mapping rules are applied when determining the target types. If you have customized data type mapping in the project options, those rules will be applied first.
If you wish to have full control over any specific table, you can turn on the manual mode instead.