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Interview Questions
PostgreSQL interview questions on indexing, transactions, and advanced features.
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Top PostgreSQL Interview Questions
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1
How do indexes work in PostgreSQL?
Hint: B-tree, GIN, GiST, BRIN
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2
Explain MVCC
Hint: Multi-Version Concurrency Control
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3
What are CTEs?
Hint: Common Table Expressions
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4
How to handle JSON data?
Hint: JSONB, operators, indexing
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5
Explain partitioning
Hint: Range, list, hash partitions
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6
What are triggers?
Hint: Automatic actions on data changes
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