Remove Data Collection Remove Data Validation Remove Non-relational Database Remove Relational Database
article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

Big Data is a collection of large and complex semi-structured and unstructured data sets that have the potential to deliver actionable insights using traditional data management tools. Big data operations require specialized tools and techniques since a relational database cannot manage such a large amount of data.

article thumbnail

Data Virtualization: Process, Components, Benefits, and Available Tools

AltexSoft

Query optimization — to improve query processing performance by caching virtual entities, enabling automatic joins, and supporting push-down querying (pushing down request operation to the source database). Data quality control — to ensure that all information is correct by applying data validation logic.

Process 69