Lesson 18: Database Transactions What is a Transaction? A transaction is a group of operations done together as one task. Example: Transferring money from one account to another: R...

Lesson 14 Learning Outcomes Evaluate different types of indexing Implement multilevel indexing Understand the B-tree family What are Indexes? Indexes are special lookup tables or data str...

Relational Database Design and Normalization 1. Features of Good Relational Database Designs A well-designed relational database ensures: Data Integrity: Strongly enforced rules like foreign ke...

Lesson 9 Summary: Database Systems Fundamentals Learning Outcomes: Implement different types of joins in SQL. Create and manage SQL views. Understand and use SQL transactions. Implement i...

Lesson 7: Fundamentals of Database Systems Learning Outcomes Explain ACID properties of databases Understand SQL as a standard language for RDBMS Understand the basic structure of SQL Wri...

Overview The Entity-Relationship (ER) Model is a conceptual framework used to design databases. It represents the logical structure of a database using entities, attributes, and relationships. Key...

Introduction to Database Systems A Database System is a tool that helps store and organize data so it can be easily accessed and used. It makes managing lots of information simpler and faster. For...