Skip to content
skillbld
Day 14 of 14 45 minModellingBuildingQuerying

Design, build and query a complete library system. Use everything from the course, including tables, constraints, joins, grouping, views, indexes and transactions, to answer real questions.

By the end of today you can

  • Design a schema with keys and constraints from requirements
  • Borrow and return books safely inside transactions
  • Answer business questions with joins, grouping and CTEs
  • Package a report as a view and support it with indexes

What's inside

  • 6 sections
  • 3 diagrams and mind maps
  • 8 code examples you can run
  • 4-question quiz
  1. 1Step 1: build the schema and data
  2. 2Step 2: borrow a book, safely
  3. 3Step 3: return a book
  4. 4Step 4: answer real questions
  5. 5Step 5: a view for the front desk
  6. 6Recap: your two weeks

Sign in free to read this lesson

Get the full lesson with diagrams, runnable code and the quiz. Your progress is saved across devices.

Sign in free
Day 14: Capstone: Library Database · PostgreSQL · SkillBld