Use Data Mining Designer to add a nested table to a mining structure after it has been created by the Data Mining Wizard.
To add a nested table to a mining structure
Select the Mining Structure tab in Data Mining Designer.
Right-click the mining structure to which you want to add a table column.
Select Add a Nested Table.
The Select a Nested Table Key Column dialog box opens.
Under Nested table, select the table that you want to nest in the mining structure.
Under Source column, select the key column for the nested table.
A new table column that contains the key column is added to the mining structure. For information about how to add additional columns, see Add Columns to a Mining Structure.