OLTP, OLAP & Analytical Stores

Row vs columnar storage, warehouses and lakes, ETL vs ELT, and star schemas.

0 / 6 solved
0/6 solved
Question Tags Difficulty Success
1. Dashboard Day Slowdown
oltpread-replica-for-analytics +1
Medium —
2. Down The Column
columnar-storagerow-store +2
Medium —
3. What the File Knows
parquetcolumnar-storage +1
Medium —
4. Forty Eight Mebibytes Of Three Hundred Sixty Five Gibibytes
parquetpredicate-pushdown +2
Medium —
5. Mixed Grain
star-schemafact-table-grain +2
Medium —
6. Writes Against the Grain
columnar-storagewrite-path +1
Hard —

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6 of 6 questions here are still unsolved.