Edit Join Node
Click the Join tab if it is not displayed. In the Edit Join Node dialog box, you can perform the following tasks:
-
To add a new Join column, click
. The Edit Join Column dialog box opens.-
In the Edit Join Column dialog box, select the Data Sources—Source 1 and Source 2. You can search columns in either Source by Name or by Data Type.
-
Select one entry in Source 1 and the corresponding entry in Source 2.
-
Click Add. Data Miner selects an appropriate Join Type.
Column 1 (from Source 1), Column 2 (from Source 2), and the Join type are displayed in a grid. You can search this grid by Column 1, Column 2, or Join Type. -
After you are done, click OK.
-
-
To select the columns in the Join, click the Columns tab to display Edit Columns dialog box.
-
To define a filter for the Join, select the Filter tab and enter an appropriate SQL expression. You can also use SQL Worksheet (part of SQL Developer) to write a filter.
If there are problems with the join, for example, if one of the data nodes is no longer connected to the Join node, then an information indicator is displayed as follows:
Click the Resolve Issues. This opens the Resolve dialog box.
Description of the illustration resolvejoin.gif