DB Weekly·query-processing
Hash Aggregation vs Sort-Based Aggregation
Hash aggregation achieves O(N) expected time by maintaining a hash table of group accumulators, making it optimal when distinct groups fit in memory.
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DS Weekly·networking
DNS-Based Service Discovery
May 24, 2026
9 min
DB Weekly·security-and-authentication
Homomorphic Encryption for Query Processing
May 20, 2026
11 min
DS Weekly·storage
Erasure Coding for Distributed Storage
May 17, 2026
9 min
DB Weekly·specialized-engines
CRDTs in Databases: Conflict-Free Replicated Data Types
May 13, 2026
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DS Weekly·streaming
Stream-Table Duality
May 10, 2026
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