Joins & Division — 5 GATE PYQs Solved | GATE DA 2027 in Hindi

Q2, Q3, Q4 asli GATE ke hain, official keys se milaye hue. Q5 exam se bhi kada. ⏱ CHAPTERS 0:00 Introduction 0:48 Worked example 1:38 Count matches per value, not rows: 2 + 0 + 2 = 4 2:41 The trap 3:36 The idea 4:23 Real GATE question 5:23 GATE DA 2025 Q17: a four-row instance settles it 7:01 The trap: option 7:57 The idea: division 8:39 Real GATE question: thousand twenty 9:44 GATE DA 2025 Q62: official key 1 11:04 The trap: division 11:55 The idea: relational algebra 12:41 Real GATE question (2) 13:51 GATE DA 2026 Q42: official key D 15:28 The idea: relation 16:14 The trap: pattern 17:43 Worked example: marks 18:51 The idea: options 19:38 Q5 answer: A and B 21:03 The trap (2) 22:24 Recap ✅ REAL GATE QUESTIONS SOLVED IN THIS VIDEO • GATE DA 2025 Q17 (answer: C) • GATE DA 2025 Q62 (answer: 1 to 1) • GATE DA 2026 Q42 (answer: D) Har answer official GATE answer key se verify kiya gaya hai. ⬅ PICHHLA VIDEO: Joins & Division | GATE DA 2027 DBMS & Data Warehousing in Hindi ➡ AGLA VIDEO: Tuple Relational Calculus | GATE DA 2027 DBMS & Data Warehousing in Hindi 📚 POORA COURSE — 220 videos, syllabus order mein:    • GATE DA 2027 Complete Course in Hindi — Fu...   🎯 GATE DA 2027 ki taiyari kaise shuru karein:    • How to Prepare for GATE DA 2027   ▶ CHANNEL:    / @datarekha   Ye poora course bilkul free hai — har topic, har exercise video. Sabko same level par seekhne aur compete karne ka haq hai.