Based on connectivity or number of rows, the transformations in Informatica can be classified as:
Based on Number of Rows:

  • Active Transformations
  • Passive Transformations

Based on Connectivity:

  • Connected Transformations
  • Unconnected Transformations

Besides that, here is a complete list of all the transformations present in Informatica

  • Source Qualifier Transformation
  • Aggregator Transformation
  • Router Transformation
  • Joiner transformation
  • Rank Transformation
  • Sequence Generator Transformation
  • Transaction Control Transformation
  • Lookup and Re-usable transformation
  • Normalizer Transformation
  • Performance Tuning for Transformation
  • External Transformation
  • Expression Transformation
BY Best Interview Question ON 16 Jun 2020