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Select Members of a Subject Area

You use the Members tab in the Subject Area Editor to identify the entities, tables, and views that are members of a subject area. Available Objects displays the available entities, tables, views that can be members of the selected subject area; Included Objects displays the entities, tables, and views that are currently members of the selected subject area.

Note: When you add members to a subject area, the objects are not added to the corresponding diagram automatically. You must add the objects manually.

To select the members of a subject area

  1. Click Subject Areas on the Model menu.

    The Subject Area Editor opens.

  2. Click the Members tab.

    The Members tab opens.

  3. Select a subject area from the Subject Area list to which you want to add members, use any combination of the following options, then click Close.

    Note: You can display either the logical names or physical names for objects. Under Display Names click Logical or Physical to toggle the display.

    Available Objects

    Displays objects that you can include as members of the selected subject area. Select one of the following options to include members to the subject area:

    Move selected objects to Included Objects ()

    Moves the selected objects to the Included Objects section.

    Move all objects to Included Objects ( )

    Moves all the objects in the Available Objects section to the Included Objects section.

    Move selected objects and neighboring objects to Included Objects ()

    When you select an object that you want to include in the subject area and click this icon, opens the Spanning Neighborhood dialog. Make your selections for the following options:

    Ancestors

    Specifies the number of ancestors to include in the subject area. Ancestors are the parents of an entity. Select All or select Level and enter the number of ancestors to include. Consider the following example:

    Illustrating an example for ancestors and descendants

    In this example, if you select Table _C and enter 2, the parent of Table_C, which is Table_B (level 1) and the parent of Table_B, which is Table_A (level 2) are included. If you select View_A and enter 2, only Table_A is included.

    Descendants

    Specifies the number of descendants to include in the subject area. Descendants are the children of an entity. Select All or select Level and enter the number of descendants to include. In the previous example, if you select Table_A and enter 2, the children of Table_A, which are Table_B and View_A (level 1) and the child of Table_B, which is Table_C (level 2) are included.

    Include all objects contained in another subject area

    Opens the Subject Area Editor. From the Include all objects contained in list, select the subject area from which you want to include objects.

    Included Objects

    Displays objects that are currently included as members of the selected subject area. Select one of the following options to remove members from the subject area:

    Automatically populate with all model objects

    Displays all the objects in the current model in the Included Objects section.

    Move selected objects to Available Objects ( )

    Remove the selected objects from the Included Objects section and moves them to the Available Objects section.

    Move all objects to Available Objects ()

    Removes all the objects from the Included Objects section and moves them to the Available Objects section.

    Move selected objects and neighboring objects to Available Objects ()

    When you select an object you want to exclude from the subject area and click this icon, opens the Spanning Neighborhood dialog. Make your selections for the following options:

    Ancestors

    Specifies the number of ancestors to exclude from the subject area. Select All or select Level and enter the number of ancestors to exclude.

    Descendants

    Specifies the number of descendants to exclude from the subject area. Select All or select Level and enter the number of descendants to exclude.

    Remove all objects contained in another subject area

    Opens the Subject Area Editor. From the Remove all objects contained in list, select the subject area from which you want to remove objects. The objects are removed from the current subject area.

    Edit the Selected Object (erw_hlp--Edit Object--ICO)

    Opens the object editor dialog so that you can edit the selected object.

More information:

Enter a Comment for a Subject Area

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