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  1. Prepare
  2. SQL
  3. Basic Select
  4. Revising the Select Query I
  5. Discussions

Revising the Select Query I

  • hackerrank272
     + 3 comments

    Reading the Editorial after successful submission...

    Select all columns using the all-column wildcard (*).

    No! No! And no! Please, do not start beginner tutorials and exercises with wrong or bad practices.

    Regards, JoKi