§ 04
Section
Databases
Relational vs non-relational, caching strategies, sharding, and the trade-offs behind every data layer decision.
Relational vs non-relational, caching strategies, sharding, and the trade-offs behind every data layer decision.
All · 3SQLNoSQLCachingSharding
01
Database Basics
SQL vs NoSQL, ACID properties, replication, and indexes — the foundations of database design.
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02
Caching
Cache layers, strategies, eviction policies, invalidation approaches, and Redis vs Memcached.
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03
Sharding & Consistent Hashing
Horizontal partitioning strategies, the challenges of cross-shard queries, and how consistent hashing minimises data movement when the cluster changes.
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