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Welcome to Database Theory Lecture 1 of the DBMS Bangla Tutorial Series! 🎓 In this introductory lecture, we explore the foundational concepts of databases that every CSE/IT student must know before learning SQL or database design. 📘 Topics Covered in This Lecture: 1️⃣ Data vs Information What is Data? What is Information? How raw data becomes meaningful information 2️⃣ Instances and Schemas Database schema (overall structure) Instance (current state of data) Difference between schema & instance with examples 3️⃣ What is DBMS? Definition & purpose of a Database Management System Why DBMS is used instead of file systems Advantages of DBMS (consistency, security, concurrency) 4️⃣ Data Models Why Relational Model is most popular 🌟 This Lecture Is Perfect For: CSE / IT / Diploma students Students new to DBMS, SQL, or Database Theory Beginners preparing for university exams or job interviews Anyone who wants to understand how databases actually work By the end of this lecture, you will have a clear understanding of data vs information, schema vs instance, and what DBMS actually does — providing the perfect foundation for upcoming lectures on ER Models, SQL, Normalization, and more. 👉 If this tutorial helps you: ✔️ Like the video ✔️ Share with classmates ✔️ Subscribe & press 🔔 to follow the full Database Theory series #dbmsbangla #DatabaseTheoryBangla #databasetutorial #csebangla #DBMSLecture1 #DataVsInformation #DatabaseSchema #DataModels #banglatutorial #IntroductionToDBMS