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. Data Subset
  8. Data Masking
  9. Data Masking Techniques and Parameters
  10. Data Generation
  11. Data Generation Techniques and Parameters
  12. Data Sets
  13. Plans and Workflows
  14. Monitor
  15. Reports
  16. ilmcmd
  17. tdwcmd
  18. tdwquery
  19. Data Type Reference
  20. Data Type Reference for Test Data Warehouse
  21. Data Type Reference for Hadoop
  22. Glossary

Expression Generation Parameters

Expression Generation Parameters

You can configure expressions to generate data for string, date, and numeric data types.
The following table describes the parameters that you can configure to generate expressions:
Parameter
Description
Expression
An expression that you can configure to generate test data.
If you select to override a string data type column with numeric data type, you cannot enter expression to generation numbers.
Null Values
A list of global rules or default rule that are available for the data type you select. A null value is value that a default rule or a global rule generates in the target column based on the datatype you select.
Invalid Values
A list of global rules or default rule that are available for the data type you select. Any value that does not follow the specified expression is not valid.