Day 12 10 min
Reading EXPLAIN
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Warm-up
From yesterday. Answer from memory: a wrong guess still helps you remember.
A table has a GIN index on allowed_user_ids bigint[]. Which WHERE clause can use it?
Reading EXPLAIN
1 / 11 · ≈ 10 min left
From yesterday. Answer from memory: a wrong guess still helps you remember.
A table has a GIN index on allowed_user_ids bigint[]. Which WHERE clause can use it?