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1. What is Data Engineering?
Data Engineering involves designing, constructing, and maintaining the architecture that allows organizations to manage and process large volumes of structured and unstructured data.
2. What is Data Modeling?
Data Modeling is the process of creating a visual representation of data structures to define how data is stored, accessed, and managed in a database.
3. What are the three main types of Big Data in data engineering, and how are they different from each other?
The three main types of Big Data are structured, semi-structured, and unstructured. Structured data is organized, semi-structured has some organization, and unstructured lacks a predefined data model.
4. Describe various types of design schemas in Data Modeling.
Common design schemas include the STAR schema, SNOWFLAKE schema, and GALAXY schema. They represent different ways to organize and relate data in a database.
