Big Data Tools ETL Tools Non-relational Database 
Edureka
FEBRUARY 9, 2023
The most common data storage methods are relational and non-relational databases. Understanding the database and its structures requires knowledge of SQL. Data is moved from databases and other systems into a single hub, such as a data warehouse, using ETL (extract, transform, and load) techniques.
ProjectPro
JANUARY 19, 2022
Data engineers must thoroughly understand programming languages such as Python, Java, or Scala. Relational and non-relational databases are among the most common data storage methods. Learning SQL is essential to comprehend the database and its structures.
ProjectPro
JULY 27, 2021
Top 100+ Data Engineer Interview Questions and Answers The following sections consist of the top 100+ data engineer interview questions divided based on big data fundamentals, big data tools/technologies, and big data cloud computing platforms.
Expert insights. Personalized for you.
52 
Let's personalize your content