Database Administrator Assessment Template

Battle-tested database administrator template tuned for real hiring loops: indexing & query plans, replication & ha, backup & pitr, rubric weights you can edit, and integrity AI on by default. Pure DBA roles are consolidating into platform/infra; senior DBA candidates increasingly carry Terraform and observability skills alongside the classic indexing and replication chops.

Duration
75 minutes
Questions
10
Level
Senior
Passing Score
70%

What this template measures

Every skill needed for a database administrator hire, covered across MCQ, coding, and essay questions.

Indexing

Indexing & query plans

Replication

Replication & HA

Backup

Backup & PITR

Performance tuning

Performance tuning

Schema migrations at scale

Schema migrations at scale

Security

Security & RBAC

Sample questions from this template

A preview of the questions you'll see when you use this template.

Multiple ChoiceEasyQuestion 1

Which of these is the most idiomatic way to handle indexing & query plans in production?

  • A.Hand-rolled implementation with no library support
  • B.Battle-tested library + thin abstraction
  • C.Copy from the latest blog post
  • D.Avoid the pattern entirely
Multiple ChoiceMediumQuestion 2

A database administrator reports a regression in replication & ha. Which signal is MOST likely to identify the root cause?

  • A.Application logs at INFO level only
  • B.Recent deploy diff + relevant trace
  • C.Number of open tickets
  • D.Restarting the affected service
CodingMediumQuestion 3

Implement a small module that demonstrates backup & pitr. Include unit tests for happy path and one edge case.

Hint: Prefer clarity over cleverness; tests count.

CodingHardQuestion 4

Refactor the supplied snippet to fix a subtle bug in performance tuning without changing the public API. Explain the fix in 2–3 sentences.

Hint: Read the tests; they encode the contract.

EssayMediumQuestion 5

In 200–300 words, describe how you'd evaluate a tradeoff between indexing & query plans and schema migrations at scale on a real project.

VideoEasyQuestion 6

Walk us through a recent dba project where replication & ha was the deciding factor. (90 seconds)

Scoring rubric

How candidates are evaluated on this template.

Dimension
Description
Weight
Indexing
How well the candidate demonstrates indexing & query plans in answers and worked examples.
30%
Replication
How well the candidate demonstrates replication & ha in answers and worked examples.
25%
Backup
How well the candidate demonstrates backup & pitr in answers and worked examples.
20%
Performance tuning
How well the candidate demonstrates performance tuning in answers and worked examples.
15%
Communication
Clarity, structure, and ability to explain tradeoffs to a non-expert audience.
10%

Frequently asked questions

Who is this Database Administrator assessment template for?+

Hiring teams screening database administrators at senior level. Pure DBA roles are consolidating into platform/infra; senior DBA candidates increasingly carry Terraform and observability skills alongside the classic indexing and replication chops. Use it for inbound applicants, sourced candidates, or as a take-home equivalent before live interviews.

Can I customize the Database Administrator template?+

Yes. Every question in the Database Administrator template is editable, every weight is tunable, and every rubric dimension can be renamed or removed. Most teams use the template as a baseline then drop in two or three of their own questions.

Does this Database Administrator template include AI cheat detection?+

By default, every DBA template runs the full integrity stack: edit-pattern analysis, paste detection, keystroke biometrics. Reviewers see signal-level breakdowns alongside the score.

Can database administrators preview sample questions before the timer starts?+

Candidates see a sample DBA question before the timer begins. This calibrates difficulty, lets them confirm their setup, and reduces first-question anxiety.

How do I reuse this Database Administrator template across multiple jobs?+

Clone the Database Administrator template into a new job and your customizations carry over. Only job-specific branding (title, hiring manager, deadlines) needs to change per req.

Run your DBA assessment in under an hour

Free tier covers most early DBA hiring needs. Spin up your first assessment in under ten minutes.