Skip to main content

Explore Problems

Certifications Quiz Pricing

⌘K

Data Systems at Scale

Course Contents

0/14

One Size Fits None: The Database Landscape Relational Databases: The Default for a Reason Key-Value Stores Document Databases Wide-Column Databases Graph Databases Time-Series Databases Full-Text Search Databases Vector Databases OLTP vs OLAP SQL vs NoSQL: The Decision Rubric Data Modeling for Scale: Entities & Access Patterns NoSQL Modeling: Denormalization & Single-Table Design Checkpoint: The Database Landscape & Data Modeling

0/8

Inside a Database: The Journey of a Write B-Trees & B+ Trees LSM Trees & SSTables WAL & Durability: Why Committed Data Survives Indexes Deep-Dive MVCC: Readers Don't Block Writers How a Query Executes Checkpoint: Database Internals

0/10

Replication Topologies Sync vs Async Replication & Failover Quorums: N, R, W The Consistency Spectrum CAP, Properly PACELC: CAP's Grown-Up Sibling Read Repair & Hinted Handoff Version Conflicts Codelab: Postgres Replication + Failover Checkpoint: Replication & Consistency

0/8

The Read-Scaling Playbook Read Replicas & Replication Lag Denormalization Materialized Views Connection Pooling for Databases Query Optimization in Practice Caches & Databases: Read-Your-Writes Coherence Checkpoint: Scaling Reads

0/9

Partitioning vs Sharding Choosing a Shard Key Consistent Hashing Resharding & Hot Shards Federation Distributed ID Generation Write Batching & Buffering Codelab: Partition a Dataset Checkpoint: Scaling Writes & Partitioning

0/11

ACID, Precisely Isolation Levels & Their Anomalies Pessimistic vs Optimistic Locking The Distributed Transaction Problem Two-Phase Commit (and Why 3PC Exists)Saga: The Data-Consistency Mechanics Outbox + CDC: Reliable Events from Your Database Idempotency as a Discipline Flash Sale: Inventory Under Contention Codelab: Trigger Isolation Anomalies Checkpoint: Transactions & Concurrency

0/8

Block vs File vs Object Storage Design an S3: Blob Storage as a System Distributed File Systems Erasure Coding vs Replication Media Chunking Video Transcoding Pipelines Tiered & Cold Storage Checkpoint: Storage Systems

0/15

When Ordinary Indexes Fail Geospatial Search: The Problem Geohash Quadtrees R-Trees S2 & H3 Bloom Filters Cuckoo Filters HyperLogLog Count-Min Sketch MinHash & Similarity Sketches Inverted Index + TF-IDF/BM25 Skip Lists & Merkle Trees Checkpoint: Specialized Indexes & Sketches Capstone Pass 2: The Marketplace Data Layer

Outbox + CDC: Reliable Events from Your Database

Publish events reliably from your database with one write, not two — the outbox table, relaying by polling or tailing the log with CDC, at-least-once delivery, and when to use each.

Loading...

Loading content...