Skip to main content
Back

Database design

Silver exam

Working-level questions across the whole course: read real DDL and queries, predict what the database does, spot the usual design bugs and pick the right tool.

  • 16 questions
  • 20 minutes
  • Pass mark 80%
  • At least 6 hands-on tasks
Covers ModelingKeys and linksNormalizationData typesConstraints and delete rulesIndexesCounters and denormalizationKinds of databasesSchema changesPartitioningHistory and auditAnalytics models

The clock cannot be paused, and leaving counts as an attempt.