Data
Introduction to Apache MapReduce
MapReduce algorithm explained using Harry Potter books as an example.
What is a Data Lake?
Definition of a data lake with possible applications and differentiation from data warehouse.
Apache Hadoop – explaining the Big Data tool!
Explanation of the components and functionality of Hadoop, as well as a comparison to traditional relational databases.
SQL: What is the Structured Query Language?
Introduction to SQL and the basic features of the query language.
What is a Data Warehouse?
Definition of Data Warehouse including its characteristics and differences to Data Lake.
What is ETL (Extract, Transform, Load)?
Detailed definition of ETL and description of possible applications.
What are NoSQL Databases?
Introduction to NoSQL databases, their advantages, examples and applications.