← Revonwell CityData Vault
Database Administrator
Look after the city's data: fast questions, safe changes, the right access and backups.
Your guide in Data Vault: Maya, database engineer.
0%0 of 10 classes
How each class works: read the ticket, watch the fix on one system, then do it yourself on another. Every level is 10 classes and an exam. Every command is real and from open-source tools; every system here is simulated, so nothing can break.
Learn the job
Database Administrator, Basic: certificate when every level is passedModule 1Database basics
1
Level 1 · 10 classes and an examLook after the data
0/10- 1What is in the vault?You are here
- How many rows?
- Find the right rows
- Why is it slow?
- Add an index
- A login for a new team
- Only what they need
- Change one row, safely
- Back it up
- Test the restore
- Level exam · 6 tasks, no answers shown
Level 2 · being builtDesigning good tables
Module 2Everyday care
Level 3 · being builtBackups and restores
Level 4 · being builtUsers and access
Work without a guide
Database Administrator, Advanced: certificate when every level is passedModule 1Performance
Level 5 · being builtIndexes in depth
Level 6 · being builtTuning slow queries
Module 2Reliability
Level 7 · being builtReplicas that keep running
Level 8 · being builtUpgrades without downtime
Design and lead
Database Administrator, Professional: certificate when every level is passedModule 1Data at scale
Level 9 · being builtPartitioning big tables
Level 10 · being builtMonitoring the vault
Module 2Leading data
Level 11 · being builtRecovering from disaster
Level 12 · being builtA data plan for the city