Informix Logging

Introduction

Informix stores the log records in a logical log. Informix uses logical-log records when it performs various functions that recover data and ensure data consistency, as follows:

  • Fast recovery
  • Transactions roll back
  • Data restoration
  • Deferred checking
  • Cascading deletes
  • Distributed transactions
  • High-availability data replication (HDR)

What kind of Activity is Logged

Two types of logged activity:

  • Activity that is always logged.
  • Activity that is logged only for databases that use transaction logging

Useful Topics

update statistics Informix
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