Changing comparison rules

You use the Comparison Rule tab in the Comparison Rules application to change an existing comparison rule.

About this task

You can make the following changes to comparison rules: When you save a comparison rule that has been changed, the clauses are evaluated to determine whether they are valid expressions. If a clause is not valid, the an error message is displayed, and the comparison rule is not saved.

Procedure

  1. On the List tab in the Comparison Rules application, select the comparison rule that you want to change. The comparison rule selected is displayed on the Comparison Rule tab.
  2. Optional: Change the description in the comparison rule description field.
  3. On the sub tabs on the Comparison Rule tab, change clauses using the appropriate option or options:
    Sub tab Option
    Data Set 1 Filter Change Data Set 1 filter clauses.
    Data Set 2 Filter Change Data Set 2 filter clauses.
    Matches Found Change matches found clauses.
    Attributes Equality Change attributes equality clauses.
    You can make the following changes:
    • To add new clauses, complete the following steps:
      1. On the appropriate sub tab, click New Row.
      2. Add values in the fields of the new clause as required.
    • To change existing clauses, complete the following steps:
      1. On the appropriate sub tab, select the clause that you want to modify and expand the row to view the row details
      2. To change values in any of the fields, specify a new value in the field.
    • To delete clauses, complete the following step:
      1. On the appropriate sub tab, select the clause that you want to delete and click Mark Row for Delete. The row is marked for deletion. It is deleted when you save the comparison rule. To cancel a deletion, click Undo Delete.
  4. After you complete all changes, click Save Comparison Rule.


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