Section 1 - Instruction

You've now learned the three core commands for changing data: INSERT, UPDATE, and DELETE. Let's practice choosing the right tool for the job and using them safely.

Remember, each command serves a unique purpose.

Engagement Message

Ready to practice your data manipulation skills?

Section 2 - Practice

Type

Multiple Choice

Practice Question

You need to change the email address for a user who already exists in your database. Which command should you use?

A. INSERT B. UPDATE C. DELETE D. SELECT

Suggested Answers

  • A
  • B - Correct
  • C
  • D
Section 3 - Practice

Type

Fill in The Blanks

Markdown With Blanks

Fill in the blanks to perform a sequence of operations: add a new user, update their job, and then remove them.

Suggested Answers

  • INSERT
  • UPDATE
  • DELETE
Section 4 - Practice

Type

Sort Into Boxes

Practice Question

Sort these SQL keywords into the correct category.

Labels

  • First Box Label: Commands
Sign up
Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal