Cohort 4Register
SQLPDF note

100 SQL Interview Questions for Product-Based Companies

100 questions from easy to expert for product-based company interviews, each solved on one store dataset with the PostgreSQL 16 query and its real output.

Pages
217
File size
3.0 MB
Section
SQL
Added
10 November 2026
Browse all 117 notes

Read the first 5 pages here, no sign-in. Browsing is free. Your first download is free and takes one Google sign-in. Every note after that comes with the Learn Pass (₹499 for 6 months), any paid plan or a cohort seat.

First page of 100 SQL Interview Questions for Product-Based Companies
Page 1 of 217

Read the first 5 pages

Free to read here, with no sign-in. Pages 6 to 217 are in the PDF.

  1. Page 1 of 100 SQL Interview Questions for Product-Based Companies
    Page 1 of 217
  2. Page 2 of 100 SQL Interview Questions for Product-Based Companies
    Page 2 of 217
  3. Page 3 of 100 SQL Interview Questions for Product-Based Companies
    Page 3 of 217
  4. Page 4 of 100 SQL Interview Questions for Product-Based Companies
    Page 4 of 217
  5. Page 5 of 100 SQL Interview Questions for Product-Based Companies
    Page 5 of 217

  6. Page 6 of 217

    Pages 6 to 217 are in the PDF

    The free preview ends after page 5 of 217. The Learn Pass opens this PDF and the other 116 notes in the library for 6 months.

    • Every note in the vault, for 6 months
    • Every paid webinar recording published in your 6 months, yours to keep
    • Project Lab, the guided data engineering builds
    • One Score Your LinkedIn full pack
    Get the Learn Pass, ₹499one time · 6 months · nothing renews

    First note here? It is free. Sign in with Google and this PDF is yours to keep.

The free book

Data Engineering: From Zero to Production & Interview Ready

244 pages, every figure measured, every query executed. Free, with the Field Kit that reproduces every number.

Read the 244-page book, free

More SQL notes

After the notes

Notes get you through the revision. These get you through the interview.

Read them in order if you like — the free library first, then the deep-dive modules, then the live cohort when you want someone reviewing your work.

Free · no payment

Watch the lessons behind the notes

SQL, Python, Power BI, PySpark and Excel — full video lessons with MCQs and a proctored skill test at the end. The notes are the summary; this is the teaching.

Open the free library

Learn Pass · ₹499 for 6 months

23 deep-dive modules, 74 sessions

Every note in this vault for 6 months, plus the complete PySpark and Databricks modules recorded end to end with their project notebooks. One payment, nothing renews.

See what's inside

AI-Powered Data Engineering Cohort 4 · live cohort

The live data engineering cohort

Live weekend classes (Sat–Sun · 7 AM–9:30 AM IST), real projects, graded assignments, and 6 months of Pro Auto-Pilot included. The full path, taught with you in the room.

See the curriculum

Your first note and the free book cost nothing. The rest of the vault comes with the Learn Pass, any paid plan or a cohort seat.