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4 cards from this section. Quick, good the night before a test.
What is sharding?
Think of it as dividing a large database.
Define caching.
Consider how you remember shortcuts.
What does sharding involve?
Think how you might divide a large task among team members.
True or False: Replication creates duplicates of data across servers to ensure reliability.
Reflect on how backups work.
You are designing a web application that anticipates a huge increase in traffic. What database strategies would you employ to ensure performance and scalability?
Consider what happens to a store during a sale.
A SQL query takes too long to execute. What steps would you take to identify and resolve performance issues?
What do you check first when troubleshooting a problem?
6 more questions in this section. Enroll free to practise them all.
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