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  1. Preface
  2. Part 1: Introduction to Data Discovery
  3. Part 2: Data Discovery with Informatica Analyst
  4. Part 3: Data Discovery with Informatica Developer
  5. Appendix A: Function Support Based on Profiling Warehouse Connection

Data Discovery Guide

Data Discovery Guide

Creating an Expression Rule

Creating an Expression Rule

Use the
Profile
wizard to create an expression rule and add it to a profile. Create an expression rule to validate values for columns in a profile.
  1. Open a profile.
  2. In the summary view, click
    Actions
    Edit Profile
    to open the
    Profile
    wizard.
  3. Click
    Specify Rules and Filters
    .
  4. In the Rules pane, click
    Actions
    Add a Rule
    .
    The
    New Rule
    dialog box appears. This image shows the new rule wizard. You can add a name, optional description, and parameters for the rule in this wizard. You can save this rule as a resusable rule.
  5. In the
    New Rule
    dialog box, enter a name and an optional description for the rule. You can create a rule in the Functions panel or Columns panel.
    • In the Functions panel, select a function category, and click the right arrow (>>) button. In the dialog box, specify parameters, and click
      OK
      .
      The function along with the columns and values appears in the Expression panel.
    • In the Columns panel, select a column, and click the right arrow (>>) button. The column appears in the Expression panel. Add functions, expressions, and values to create a rule.
  6. To verify the rule, click
    Validate
    .
  7. Optionally, choose to promote the rule as a reusable rule and configure the project and folder location. If you promote a rule to a reusable rule, you or other users can use the rule in another profile as a predefined rule.
  8. Click
    OK
    .
    The
    Specify Rules and Filters
    screen appears with the rule in the Rules pane.

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