Lots of people get ready for SQL interviews by just reading questions and trying to remember answers. But honestly, that’s not how you get good. In an interview, they usually want you to:
- Write queries from scratch
- Fix broken logic
- Explain your approach clearly
- And often, do it live
This is why we built the SQL Interview Prep Tool. It’s built to help you prepare the right way. You’ll solve real problems, change real code, and see what happens right away.
SQL Interview Prep Guide: Don’t Just Read, DO It!
This guide will tell you:
- What our tool is.
- What makes it special.
- How to use it well.
- Tips to get ready faster for interviews.
🟨 1. What Is the SQL Interview Prep Tool?
Our SQL Interview Prep Tool is like a practice ground for SQL, right in your web browser. TechBeamers made it so you can:
- Search SQL questions on many topics / from companies like FAANG.
- Check the step-by-step solution
- Practice real SQL interview questions.
- Get SQL answers you can change.
- Run your own code and see the results live.
- Really get what you’re writing, not just remember it.
It’s not just a bunch of questions you read. It’s an interactive SQL prep system where you learn and practice at the same time.
🟩 2. Key Features That Help You Learn Smarter
Here’s why our tool works better than just reading books or blogs:
✅ Real-World Questions
Every question is like the actual SQL problems top tech companies ask in interviews.
✅ Live SQL Editor
- You can write a new query or update existing right here in your web browser.
- Run your code instantly. Change it, try new ideas – see the results right away.
- This helps you try things out again and again.
✅ Easy Explanations
For every question, we don’t just give the answer. We explain why that answer works, step by step.
✅ Code You Can Change
Different from boring articles, our tool lets you change the code. See what happens if you add a new filter or change how things join.
✅ Questions by Topic
You can pick questions based on SQL concepts like:
- SELECT (picking data)
- JOIN (combining data)
- Aggregation (like counting or summing)
- Subqueries (queries inside other queries)
- Window Functions (for more advanced calculations)
- CTEs (Common Table Expressions – for neater code)
- And lots more!
✅ Reset & Track Progress
You can reset questions to try them again later. And you can see what you’ve finished, which is great for staying on track.
🟧 3. Why Use This Tool Instead of Just Reading Books or Blogs?
It’s simple: doing is better than just reading. Our tool helps you do SQL.
| Old Way (Books/Blogs) | Our SQL Prep Tool |
| Just read, no doing | Run code, hands-on practice |
| Hard to know if you really understand | Get instant results from your code |
| Answers are fixed, can’t change them | Code you can change and try out |
| Can’t see what you’ve done | Easy to see your progress |
| One size fits all | Pick topics you need to work on |
| Hard to practice fixing problems | Practice debugging in live editor |
You learn best by doing, and our tool is made for exactly that!
🟪 4. How to Use the Tool – Simple Steps
Here’s how to get started:
- Go to the Tool: Open your browser and go to techbeamers.com/sql-interview-prep.
- Pick a Topic (or browse everything): Choose a type of SQL like JOINs or Window Functions, or just look at all questions.
- Read the Problem Carefully: Make sure you understand what the question is asking you to do before you start writing SQL.
- Write or Change the SQL: Use the editor to write your own answer, or change the one we give you.
- Click “Run” to Check: See your results right away. Did your code work?
- Read the Explanation: Look at our simple steps to understand the best way to solve it.
- Try New Things: Don’t stop when you get the answer! Try changing filters, or different types of joins, or other functions. This makes you learn even better.
🟫 5. What SQL Topics Are Covered?
Our tool has many SQL topics asked in interviews:
- SELECT statements (picking data)
- WHERE & Filtering (finding specific data)
- JOINs (INNER, LEFT, RIGHT, FULL – connecting tables)
- GROUP BY & Aggregation (grouping data and doing math like COUNT, SUM)
- Subqueries & Nested SELECTs (queries inside other queries)
- Window Functions (ROW_NUMBER, RANK, etc. – for advanced numbering/ranking)
- CTEs (Common Table Expressions – for making complex queries easier)
- String and Date Functions (working with text and dates)
- Indexing & Optimization (making your queries faster)
- Transactions (making sure changes are safe)
- Financial & Accounting SQL (SQL for money data)
- Data Science SQL (SQL for analyzing data)
🟥 6. Tips to Get Ready Faster
Use these techniques to get more value out of the tool:
- 🧱 Start Basic: Begin with easy stuff like SELECT and JOINs before going to hard questions.
- 🔁 Repeat Tough Questions: If a question is hard, do it a few times. This helps you remember and understand.
- ✏️ Try Different Things: Change the
WHEREparts, or try differentJOINtypes. See what happens! - 🧠 Understand Why: Don’t just know how to do it. Understand why that way is best.
- ✅ Keep Track: See what questions you’ve finished. It helps you stay organized.
🟦 7. Who Can Use This Tool Best?
This SQL prep tool is great for:
- 🎓 Students and new grads getting ready for their first job.
- 👩💻 Junior developers and data analysts who need to get ready for interviews.
- 🧪 People wanting to do data science who need good SQL for interviews.
- 💼 Experienced engineers who want a quick, focused review before interviews.
✅ SQL Interview Prep Guide: Speed up Your Progress
There are tons of ways to learn SQL. But not many combine interview questions, hands-on practice, and clear learning all in one place.
The SQL Interview Prep Tool by TechBeamers is made to help you not just pass, but to do really well and feel confident in your interviews. Start learning the “doing” way today!
