Recall & Review
beginner
What is a slow query in a database?
A slow query is a database request that takes a long time to complete, causing delays in getting data.
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beginner
How does query optimization help prevent slow queries?
Optimization makes queries run faster by using better ways to find and retrieve data, reducing wait time.
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beginner
What is an index and how does it relate to query speed?
An index is like a shortcut in a book’s table of contents that helps the database find data quickly, speeding up queries.
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intermediate
Why can unoptimized queries cause higher server load?
Unoptimized queries make the server work harder and longer, using more resources and slowing down other tasks.
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beginner
Name one common technique to optimize queries in Supabase.
Using indexes on columns that are often searched or joined is a common way to optimize queries in Supabase.
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What does query optimization mainly improve?
✗ Incorrect
Optimization focuses on making queries faster and using fewer resources.
Which of these helps speed up database queries?
✗ Incorrect
Indexes act like shortcuts to find data faster.
What happens if queries are not optimized?
✗ Incorrect
Unoptimized queries slow down the system and increase server load.
In Supabase, what is a simple way to optimize queries?
✗ Incorrect
Indexes help the database find data faster, improving query speed.
Why is preventing slow queries important?
✗ Incorrect
Fast queries keep apps running smoothly and users happy.
Explain in simple terms why optimizing queries prevents slow database responses.
Think about how shortcuts help you find things faster.
You got /3 concepts.
Describe one method to optimize queries in Supabase and why it helps.
Indexes are like a table of contents for your data.
You got /3 concepts.