Multiple choice technology

When lookup() and lookup_local()are used?

  1. lookup() for serial lookup files; lookup_local() for multifile lookup files

  2. lookup() for multifile lookup files; lookup_local() for serial lookup files

  3. lookup() and lookup_local() will be used for both serial and multi files

  4. None

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A Correct answer
Explanation

In Ab Initio, lookup() is used for serial lookup files (single file), while lookup_local() is specifically designed for multifile lookup systems. Using the correct function for each file type is important for optimal performance and proper access patterns.