Table of Contents

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  1. Preface
  2. Introduction to Test Data Management
  3. Test Data Manager
  4. Projects
  5. Policies
  6. Data Discovery
  7. Creating a Data Subset
  8. Performing a Data Masking Operation
  9. Data Masking Techniques and Parameters
  10. Data Generation
  11. Data Generation Techniques and Parameters
  12. Working with Test Data Warehouse
  13. Analyzing Test Data with Data Coverage
  14. Plans and Workflows
  15. Monitor
  16. Reports
  17. ilmcmd
  18. tdwcmd
  19. tdwquery
  20. Data Type Reference
  21. Data Type Reference for Test Data Warehouse
  22. Data Type Reference for Hadoop
  23. Glossary

Creating a Data Coverage Task

Creating a Data Coverage Task

Create a data coverage task to analyze the data coverage across combinations of data values, ranges, or groups.
  1. Open the
    data set
    that contains the data that you want to analyze.
  2. Click the
    Data Coverage
    tab.
  3. Click
    Actions
    New
    .
    The
    New Data Coverage Task
    window appears.
  4. Enter a name and optional description for the data coverage task.
  5. Enter the minimum threshold value.
    The minimum threshold represents the minimum number of values you require to consider the data density adequate.
  6. Click
    Next
    .
  7. Select the master table for the data coverage task and click
    OK
    .
    The related tables appear in the
    Related Tables
    list. You can remove tables that you do not want to include in the analysis.
  8. Optional. Click the
    Add Tables
    button of a related table to add tables related to the table.
    You can enter an alias name if you want to use a different name to identify the table in the task. Alias names must be unique within a task. If you use a single table multiple times, use a different alias each time.
  9. Click
    Finish
    to create the task.
    The data coverage page opens.
  10. Configure the data coverage task. Create the columns that you want to use in the analysis.
  11. From the
    Columns
    pane, select a column that you want to add to the X axis on the graph and click
    Move to X
    . You can also click the required column name from the list of columns and drag the column into the
    X Axis
    field.
    The column values are plotted along the X axis.
  12. Select and add a column to the Y axis.
    The column values are plotted along the Y axis.
  13. Optional. Edit the data count threshold.
  14. Optional. Add a filter column to filter results based on column criteria.
    You can add two filters.
  15. Click
    Analyze
    .
    The data coverage analysis results appear on the graph. Data coverage is represented based on the minimum and maximum data count values that you set. The color of the cell indicates the density of data. White indicates no data, light blue indicates data below the minimum threshold, and dark blue indicates a higher data density than the minimum threshold that you set.
  16. Optional. Click the
    X Axis
    field or the
    Y Axis
    field and select specific cells from the list to view specific results.