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Selecting the business rule

Procedure

  1. Click Add rule next to the table name where you want to add the SQL business rule.
    The Business Rule Selector dialog box is displayed.
  2. Expand the Rules folder and select the check boxes of the predefined SQL business rules you want to use on the corresponding tables.
  3. Click OK.
    The selected business rule is listed below the table name in the Analyzed Tables view.
    Contextual menu of a business rule in the Analyzed Tables section.
    You can also drag the business rule directly from the DQ Repository tree view to the table in the analysis editor.
  4. Save the analysis and press F6 to execute it.

    An information pop-up opens to confirm that the operation is in progress and the analysis editor switches to the Analysis Results view.

    Graphs showing the matching and non-matching values according to the business rule.
    All age records in the selected table are evaluated against the defined SQL business rule. The analysis results has two bar charts: the first is a row count indicator that shows the number of rows in the analyzed table, and the second is a match and non-match indicator that indicates in red the age records from the "analyzed result set" that do not match the criteria (age below 18).
  5. Right-click the business rule results in the second table, or right-click the result bar in the chart itself.
  6. Select an option:
    Option Description
    View valid rows Access a list in the SQL editor of all valid rows measured against the pattern used on the selected table.
    View invalid rows Access a list in the SQL editor of all invalid rows measured against the pattern used on the selected table.
    Generate Job Generate a Job that uses the Extract Load Transform process to write the valid or invalid rows of the analyzed table in an output file. This option is available for Microsoft SQL Server, MySQL, Oracle, and PostgreSQL connections.

    You can carry out a table analysis in a direct and more simplified way. For further information, see Creating a table analysis with an SQL business rule in a shortcut procedure.

  7. If required, right-click the business rule and select View executed query.
    The SQL editor opens in Talend Studio to display the query.

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