Day 15 10 min
The write-ahead log
1 / 11 · ≈ 11 min left
Warm-up
From yesterday. Answer from memory: a wrong guess still helps you remember.
A table has an index on (tenant_id, created_at). Which query uses it best?
The write-ahead log
1 / 11 · ≈ 11 min left
From yesterday. Answer from memory: a wrong guess still helps you remember.
A table has an index on (tenant_id, created_at). Which query uses it best?