Drill 19: Improve it — Indexes
Add one improvement and explain the benefit.
What you will be able to do
- Add one improvement and explain the benefit.
Practice task
Add one improvement and explain the benefit.
CREATE INDEX IX_lessons_course_minutes
ON lessons (course_id, minutes);Your turn
EasyWrite your answer
Add one improvement and explain the benefit.
TEXT · starter
Your answer…Study tools
Make it yours.
Keep a private note for this lesson, then turn the key ideas into flashcards you can revisit.
Sign in to save notes and flashcards.Both are private to your account and stay with your progress.
Sign inFinished reading?
Lock in what you just learned.
0%
Mark this lesson complete to save your place and move one step closer to the certificate.