Tables and data

Check your understanding: tables and data

Check PostgreSQL types, identity columns, sequences, constraints, foreign keys, transactions, and locks.

Download this course as PDF or EPUB. Free for newsletter subscribers.

Answer each question before continuing. Read the explanation after every answer, including the ones you get right.

Quick check

Result

You got of right.

Lesson completed

Download this course as PDF or EPUB

Read it offline, on your Kindle, or print it. Join my free newsletter and you get this course plus every other book and course I published.