8 exercises found
Big data is not just counting and summing. It powers data pipelines, machine learning, real-time analytics, and more.
Understand why database failures are fundamentally different from API server crashes. Data loss can destroy businesses overnight.
Learn practical backup approaches that protect against data loss. Start simple, scale as needed.
Backups protect against yesterday mistakes. Replication protects against right-now failures. Learn how to maintain live redundant copies.
Learn the leader-worker pattern that breaks the infinite monitoring loop. Understand how systems automatically promote workers to leaders.
A Foreign Key links rows between tables and lets the database automatically enforce that relationships stay valid.