Session 11 — Window Frames, QUALIFY, Pivot & Unnest - Part 1 | Bangla

Session 11 (Part 1) of the Modern Data Engineering course (Bangla) — expert SQL patterns: window frames, the QUALIFY clause, pivoting data and unnesting arrays. 🗣️ Language: This course is taught in Bangla (Bengali). Slides, code and on-screen material are in English. এই কোর্সটি বাংলা ভাষায় পড়ানো হয়েছে। স্লাইড ও কোড ইংরেজিতে। 📚 Full Course: 19 Weeks | 38 Sessions | 7 Modules ▶️ Full playlist:    • Modern Data Engineering (Bangla)   👨‍🏫 Instructor: Ameer Ul Islam 💼 Connect or hire me:   / ameerulislam   #bangla #banglatutorial #sql #advancedsql #dataengineering