Course Lesson
Completion requirements
Database Management System (DBMS)
In practice it’s very common to have multiple databases. The database that deals with your order and customer information might be completely independent from you database that deals with human resource information. And in many organizations, you don’t just have multiple databases but multiple DBMS. Sometimes it’s because one DBMS is better at something than the other.
There are different DBMS, and they are categorized under:
- Relational Database Management Systems
- Hierarchical Database Systems
- Network Database Systems
- Object-Oriented Database Systems
- NoSQL Database Systems
We are going to focus on the relational database management systems (RDBMS). And here’s Why? …
- They are the most common used one.
- The principles we are going to discuss here are usable across all of them.
- If you know you are going to jump into NoSQL databases, most of the introductions assumes you already understand relation database concepts and will use these concepts to explain what’s offered by NoSQL databases.
RDBMS are like Oracle, MySQL, SQL Server, SQLite, DB2, …etc.
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