🎓 DBS101 Unit 7 — Transactions, Concurrency & Recovery 🚦 Before Learning Before diving into Unit 7, I thought database transactions were just optional features — like wrapping a few queries...

Before Learning Before starting Unit 6, I had only worked with relational databases and had little idea about older models like the hierarchical and network models. I also didn’t fully understand...

Before Learning Before starting Unit 5, my understanding of database normalization was limited to basic concepts like 1NF through BCNF. I could follow rules and apply them to avoid redundancy, bu...

Before Learning Before starting this unit, I was only familiar with basic SQL operations like SELECT and INSERT. I had limited knowledge of SQL joins, views, transactions, and constraints. The co...

Before learning Before diving into these lessons, I was familiar with simple SELECT and INSERT commands but did not fully understand the complexities of transactions, ACID properties, and advance...

Topic - Unit 2 Blog Before learning Before starting this unit, my understanding of databases was mostly basic-level. I knew that databases store data and that SQL is used to retrieve informatio...

Topic - Database Systems Fundamentals Before learning about Database system Fundamentals Before learning about database system fundamentals, I thought that it is jsut a app to store data and we...