Populate linking pairs

As part of vetting CFE needs to pair up any records for the consecutive/continuous admission of a patient.

Instructions

• be sure you have completed Pre-linking checks
• click the "populate linking_pairs" button on the main screen
  • 2018-Apr-27: NOTE: takes 16 minutes to run

Implementation

Because MS Access doesn't have functionality to compare data in a "current" to a "next" record this is implemented as an iterative process in Module linking Sub populate_linking_pairs.