Enables you to define the relationships between the source tables in the source query.
Left Table
Allows you to select a source table that you want to join with another source table.
Left Column
Allows you to select a column that corresponds to the data compatible with the column selected from the Right Column list.
Right Table
Allows you to select a source table that you want to join with the table you selected from the Left Table list.
Right Column
Allows you to select a column that corresponds to the data compatible with the column selected from the Left Column list.
Add
Select to add a new row.
Delete
Select to delete the selected row.