Introduction to Data Modeling

Back to Home

01. Introduction to the Course
02. What is Data Modeling?
03. Why is Data Modeling Important?
04. Who does this type of work?
05. Intro to Relational Databases
06. Relational Databases
07. When to use a relational database?
08. ACID Transactions
09. When Not to Use a Relational Database
10. What is PostgreSQL?
11. Demos: Creating a Postgres Table
12. Exercise 1: Creating a Table with Postgres
13. Solution for Exercise 1: Create a Table with Postgres
14. NoSQL Databases
15. What is Apache Cassandra?
16. When to Use a NoSql Database
17. When Not to Use a NoSql Database
18. Demo 2: Creating table with Cassandra
19. Exercise 2: Create table with Cassandra
20. Solution for Exercise 2: Create table with Cassandra
21. Conclusion

Back to Home

06. Relational Databases

RDB Q1

True or False: A column holds multiple tables.

True

False

SOLUTION:

False

RDB Q2

True or False: An attribute is another name for a column.

True

False

SOLUTION:

True

RDB Q2

True or False: A schema is a collection of tables in some database terminology.

True

False

SOLUTION:

True

Learn Udacity: click here to learn more :)