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3 cards from this section. Quick, good the night before a test.
What is indexing?
Think about the fastest way to find a book in a library.
Name a tool used for caching.
Consider what tool might keep your frequent searches ready for you.
What is the primary purpose of indexing?
Think about how an index helps find something in a book quickly.
Caching only stores recent data.
Consider what you keep in a pantry for easy reach.
Given a database with a large user table, design a theoretical indexing strategy that optimizes both read and write operations. Explain your thought process.
Consider how to balance speed for reads and writes rather than focusing exclusively on one.
Discuss how to manage cache invalidation effectively in a web application dealing with frequently changing user profiles.
Think about how fresh food can spoil if not rotated in a store.
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