What is the purpose of EXPLAIN (ANALYZE, BUFFERS) in PostgreSQL compared to plain EXPLAIN?

Advanced SQL Developer Hard

Advanced SQL Developer — Hard

What is the purpose of EXPLAIN (ANALYZE, BUFFERS) in PostgreSQL compared to plain EXPLAIN?

Key points

EXPLAIN (ANALYZE, BUFFERS) provides actual execution details
It includes buffer cache hit/miss statistics
Helps in optimizing query performance
Plain EXPLAIN only shows the estimated plan without execution details

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