IT-3020 Database Systems Lecture 02| ORDB Explained | VARRAY & Nested Tables (Create, Insert, Fetch) скачать в хорошем качестве

IT-3020 Database Systems Lecture 02| ORDB Explained | VARRAY & Nested Tables (Create, Insert, Fetch)

WA chanel - https://whatsapp.com/channel/0029VbCU... In this lecture we explain key concepts of Object Relational Databases (ORDB) from the IT-3020 Database Systems module. This session covers how advanced collection types work in ORDB using practical SQL examples. 📚 Topics Covered in This Lecture: • Introduction to Object Relational Databases (ORDB) • VARRAY (Variable Size Arrays) • How to Create VARRAY Types • Inserting Data into VARRAY • Fetching Data from VARRAY • Nested Tables in ORDB • Creating Nested Table Types • Inserting Data into Nested Tables • Retrieving Data using TABLE() function • Using Multiple Collections • Combining VARRAY and Nested Tables This lecture is useful for university students studying Database Systems, especially for the IT-3020 module. 🎓 Ideal for students learning: Oracle Object Relational Databases SQL Collection Types Advanced Database Concepts 📌 Module: IT-3020 – Database Systems 📌 Topic: ORDB (VARRAY & Nested Tables) If this video helped you understand ORDB concepts, don't forget to Like 👍, Share 🔁 and Subscribe 🔔 for more database lectures. #DatabaseSystems #ORDB #OracleSQL #IT3020 #NestedTables #Varray #DatabaseLecture