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Databases

Portal | Tag Cloud | 26 assets across 17 topics

PostgreSQL, MySQL, MongoDB, Redis, Kafka, S3, replication, indexing

Core Skills (Tier 1)

Start here — these are the topics a mid-level engineer uses weekly.

All Content

📘 Topic Packs

Asset Topics Level Time Status
Ceph Storage Ceph Storage L2 5h solid
Database Internals Database Internals L1 2h solid
Database Operations on Kubernetes Database Operations L2 4h solid
Elasticsearch Elasticsearch L1 2h solid
Kafka Kafka L1 2h solid
MongoDB Operations MongoDB Operations L1 4h solid
MySQL / MariaDB Operations MySQL / MariaDB Operations L1 4h solid
PostgreSQL Operations Database Operations, PostgreSQL Operations L2 4h solid
RabbitMQ & Message Queues Kafka, RabbitMQ & Message Queues L2 3h solid
Redis Operations Database Operations, Redis Operations L2 3h solid
SQL Fundamentals Database Operations, SQL L0 2h solid
SQLite Operations & Internals Database Operations, SQLite Operations & Internals L2 3h solid

⚡ Drills

Asset Topics Level Time Status
Database Ops Drills Database Operations L2 30m solid

🎯 Scenarios

Asset Topics Level Time Status
Interview: Database Failover During Deploy Database Operations L3 15m solid

📋 Runbooks

Asset Topics Level Time Status
Runbook: Long-Running Query / Lock Contention Database Locking, PostgreSQL Operations L2 15m solid
Runbook: PostgreSQL Connection Exhaustion PostgreSQL Operations L2 15m solid
Runbook: PostgreSQL Disk Space Critical PostgreSQL Operations L2 15m solid
Runbook: PostgreSQL Replication Lag PostgreSQL Operations, Database Replication L2 15m solid

📝 Assessments

Asset Topics Level Time Status
Skillcheck: Database Ops Database Operations L2 30m solid