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Data Warehouse Optimizations Every Developer Should Know

Learn about quick optimization tricks to speed up your queries BEFORE paying big bucks.

In this session, Matan explored some of the traditional techniques, like indexing, as well as modern techniques that make your queries go from fast to fastest in the cloud:

✔️ How to use clustered indexes for better data pruning
Schema evolution using JSONs
✔️ Eliminate JOIN/UNION using array + lambdas
✔️ Accelerate schema mutations using daily objects
✔️ Accelerate aggregation queries using partitions + distributed execution

00:00 Intro
01:45 What qualifies as warehouse-based data app?
05:38 Data app examples
06:23 Data warehouse optimization techniques
07:02 Improve data pruning using clustered indexes
14:53 Eliminate JOIN using ARRAYS
22:41 Accelerate UPSERT using PARTITIONS
29:56 Schema evolution using JSON and LAMBDA

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