# Watching the DBI in action

- ## DBI has detailed call tracing built-in

  - Can be very helpful in understanding application behavior
  - Shows parameters and results
  - Has multiple levels of detail
  - Can show detailed internal information from the DBI and drivers

- ## Trace information can be written to a file

- ## Not used often enough

  Not used often enough
  Not used often enough!
  Not used often enough!

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