Mapping parameters and variables basically represent values in mappings and mapplets.

Mapping Parameters

  • They are used to represent a static value which can be defined before starting a session.
  • It has the same value throughout the entire session.

Mapping Variables

  • Here, the values change between the sessions.
  • The latest value of a mapping variable is saved by the Integration Service in the repository at the end of each session.
  • It can be used to override a saved value within a parameter file.
BY Best Interview Question ON 16 Jun 2020