Summary

Visual LANSA

Summary

REP006 - Logical Views

Important Observations

  • Logical views may have one or more key fields.
  • Keys can be assigned as ascending or descending sequence.
  • Numeric sequence can be signed, unsigned or an absolute value.
  • Refer to the online help for more details about these options.

Tips and Techniques

  • Logical views provide an efficient means to create sorted indexes to quickly access a file.

What I Should Know

  • How to create a logical view.
  • How to define the keys to the logical view.
  • How to rebuild the file when test data is present.