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THTop 5 SQL Interview Questions
#sqlinterview #sql
@thedataanalytics_guy
#Gradespot
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MA🚨 If you can’t solve this… you’re NOT ready for SQL interviews.
👉 Question: Find the Second Highest Salary
Looks simple?
This one question exposes everything:
❌ Weak SQL basics
❌ No understanding of ranking
❌ Zero edge case thinking
Here’s how top candidates think 👇
💡 Use DENSE_RANK() to handle duplicates
💡 Ask: “What if only one salary exists?”
Winning answer:
“I’ll rank salaries in descending order, filter rank = 2, and return NULL if no second value exists.”
🔥 This is not about SQL.
It’s about your thinking.
Most people memorize.
Selected candidates explain.
Follow for real SQL interview mindset 🚀
#SQLInterview
#DataAnalytics
#LearnSQL
#TechJobs
#CareerGrowth
@madhu.thangella
124
DA👉 Struggling with SQL interviews? You’re making these mistakes…
These simple tips can change everything 🚀
🎯 As someone who has taken technical interviews, I can assure you — this will help you clear interviews.
#SQL #InterviewTips #Developers #TechReels #LearnSQL CareerGrowth
@dailytechwith_me
9.2K
PLIf you want to crack SQL interviews, make sure you go through this 75-question PDF at least once.
It covers Basic Queries, Joins, Aggregate Functions, Subqueries, and Window Functions — everything you’re expected to know.
These are the same types of questions interviewers ask again and again, and where most candidates struggle.
Scan the QR code on the screen to access the PDF instantly.
Follow @pluto.careers
#SQL
#PlacementPrep
#CareerGrowth
#TechStudents
#PlutoCareers
@pluto.careers
142
202.7K
DA😳 When you realise almost every company asks the SAME SQL questions… Stop wasting time memorising random queries — prepare smart, not blindly. I’ve compiled all the most repeated SQL interview questions + answers in one PDF so you can revise fast and crack confidently. 💬 Comment “sql” and I’ll send the PDF directly to your DM. 📌 Save this reel — you’ll need it before interviews. #SQL #InterviewPrep #PlacementReady #TechInterviews #DBMS Database CodingInterviews CSStudents BCA BTech MCA CampusPlacements JobReadySkills
@datawallahofficial
17.2K
COThis is a simple but very important SQL interview question.
Why is COALESCE important in SQL?
1️⃣ Handles NULL values safely
COALESCE returns the first non-NULL value.
So your query doesn’t break because of missing data.
Example:
SELECT COALESCE(email, ‘Not Available’) FROM users;
2️⃣ Prevents unexpected results
Without handling NULL, calculations can fail.
Example:
SELECT salary + bonus FROM employees; — NULL if bonus is NULL
Fix:
SELECT salary + COALESCE(bonus, 0) FROM employees;
3️⃣ Improves readability & logic
Instead of writing complex CASE statements,
COALESCE keeps queries clean and simple.
🎯 Interview takeaway
COALESCE = handle NULL gracefully
First non-NULL value wins.
Without it, NULL can silently break your logic.
{ SQL, Databases, BackendDeveloper, SoftwareDevelopment, Programming, DatabaseConcepts, SystemDesign, ComputerScience, TechCareers, InterviewPrep }
#SQL
#Databases
#BackendEngineering
#SystemDesign
#TechExplained
@codemeetstech
2.9K
LI1️⃣ It’s ok if you don’t love it.
People think they need to be passionate about their major, it’s great if you are but most people just need a degree that can actually help them land a job. I’ve seen countless people study chemistry, history, art, just to then go to bootcamp and get a CS job. Being practical is fine, it’s part of life.
2️⃣ You will always be learning.
Unlike some careers where you learn something once and can use it forever, in CS, you will always be learning new technologies and frameworks. If you want to learn something once, CS isn’t for you.
3️⃣ Interviews require different skills than the actual job.
Job interviews are completely different from the day to day job, you can say that it’s unfair and it doesn’t make sense but that’s how it is. You either do it or don’t, but don’t complain when you can’t pass the interviews.
4️⃣ You need to study outside of classes.
Most college courses teach you computer science through theory, algorithms, data structures, optimizations but what you actually need to land an internship and job is PRACTICAL skills that show you’ve built something. Work on side projects, attend hackathons, do unpaid internships (if you can’t land a paid one), getting straight As in class alone won’t land you a job. You need actual experience building things.
Choosing computer science definitely changed my life positively and I would still choose it again. It is a lot of work and you will need to keep learning and work hard to land those 6 figure jobs but if you do, it is the most rewarding thing ever.
Especially if you come from a low income immigrant family like me.
Documenting my content creation journey while working a 9-5, follow to see the journey!
Do any of these resonate with you?
#faang #careeradvice #softwareengineer #bigtech #computerscience
@life.jasonzhang
18.9K
EDInterview questions asked in LTIMINDTREE 2026 L1 📚
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👇Follow us for daily learning ✅
@eduashthal
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Tags:
#sapsdconsultant
#interviewquestions
#sapjobs
#sapfunctional
#itjobinterview
@eduashthal
270
SECS interviews mein knowledge ke saath presence of mind bhi test hota hai.”
Most students prepare theory…
but real interview questions are practical.
Follow @Secretarial_Saga for daily CS interview preparation.
@secretarial_saga
158
CAMost people memorize SQL.
Smart ones prepare for what interviewers actually ask.
If you can’t answer these, you’re not ready yet.
Save this before your next interview. 💾💼
#sql #sqlinterview #interviewtips #techjobs #jobsearchindia #freshersjobs #datasql #backenddeveloper #careeradvice #jobprep #interviewpreparation #learnsql #techcareer #programminglife #developersindia #placementtips #careergrowth #jobready #explorepage #instadaily
@career_build_it_academy
149
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