SQL Fundamentals

Create Tables and Choose Column Types

Translate a small data model into PostgreSQL tables with meaningful column names, suitable types, stable keys, and enforceable constraints.

Beginner14 min read

SQL Fundamentals lessonRelational data foundationsProve

TIMED ASSESSMENT

Create Tables and Choose Column Types

Questions and answer choices are randomized for every attempt. Everything needed to answer is shown on screen; no paper, calculator, terminal, server, or external test is required. Each answer is marked Correct or Incorrect, then locked until the final review.

15 questions20 min timer12/15 to pass

Explanations are hidden during the test. A full review is available only after submission.