SQL & Databases test (Beginner)
25 questions · 30 minutes · Free
Joins, window functions, indexing and transactions.
What it covers
- Joins and subqueries
- Window functions
- Indexes and query plans
- Transactions and isolation
- Normalisation
Interview format
- Questions: 25 questions — 15 multiple choice, 8 multi-answer, 2 predict-the-output
- Time: 30 minutes, timed from the first question
- Difficulty: Beginner
- Skill area: Data
- Price: Free
Earn a certificate
The SQL & Databases test is one of the 8 tests of the Software Engineer (Java) learning path. Pass it and the other 7 tests at 70% or more and readyforhires issues you a verifiable certificate in your name, with its own code and verify link to share or add to LinkedIn.
Frequently asked questions
- How many questions are in the SQL & Databases test?
- 25 questions (15 multiple choice, 8 multi-answer, 2 predict-the-output), with 30 minutes to answer them.
- What does the SQL & Databases test cover?
- Joins and subqueries, Window functions, Indexes and query plans, Transactions and isolation, Normalisation.
- Is the SQL & Databases test free?
- Yes. It is free to take with a readyforhires account.
- What level is the SQL & Databases test?
- Beginner, in Data.