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Register for SQL Tutorial
  Our SQL Tutorial covers: SELECT-FROM-WHERE framework, NULL values, aggregation, grouping, ordering, join queries, and subqueries The estimated duration for the tutorial is from 30 to 60 hours, spread over a total of 150 slides, 30 problems to solve (in the quizzes) and 50 exercises involving SQL queries (as part of the lab projects). There is no registration fee for the tutorial, and the registration is valid for 90 days.