Remove Big Data Tools Remove Data Schemas Remove Data Storage
article thumbnail

AWS Glue-Unleashing the Power of Serverless ETL Effortlessly

ProjectPro

In fact, 95% of organizations acknowledge the need to manage unstructured raw data since it is challenging and expensive to manage and analyze, which makes it a major concern for most businesses. In 2023, more than 5140 businesses worldwide have started using AWS Glue as a big data tool.

AWS 66
article thumbnail

50 PySpark Interview Questions and Answers For 2025

ProjectPro

Spark saves data in memory (RAM), making data retrieval quicker and faster when needed. Spark is a low-latency computation platform because it offers in-memory data storage and caching. MapReduce is a high-latency framework since it is heavily reliant on disc. appName('ProjectPro').getOrCreate() count())) df2.show(truncate=False)

Hadoop 68
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

100+ Big Data Interview Questions and Answers 2025

ProjectPro

There are three steps involved in the deployment of a big data model: Data Ingestion: This is the first step in deploying a big data model - Data ingestion, i.e., extracting data from multiple data sources. Data Variety Hadoop stores structured, semi-structured and unstructured data.

article thumbnail

50+ Data Warehouse Interview Questions and Answers for 2025

ProjectPro

Increased Efficiency: Cloud data warehouses frequently split the workload among multiple servers. As a result, these servers handle massive volumes of data rapidly and effectively. Handle Big Data: Storage in cloud-based data warehouses may increase independently of computational resources.

article thumbnail

AWS Glue-Unleashing the Power of Serverless ETL Effortlessly

ProjectPro

In fact, 95% of organizations acknowledge the need to manage unstructured raw data since it is challenging and expensive to manage and analyze, which makes it a major concern for most businesses. In 2023, more than 5140 businesses worldwide have started using AWS Glue as a big data tool.

AWS 98
article thumbnail

50 PySpark Interview Questions and Answers For 2023

ProjectPro

Python has a large library set, which is why the vast majority of data scientists and analytics specialists use it at a high level. If you are interested in landing a big data or Data Science job, mastering PySpark as a big data tool is necessary. Is PySpark a Big Data tool?

Hadoop 52
article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

There are three steps involved in the deployment of a big data model: Data Ingestion: This is the first step in deploying a big data model - Data ingestion, i.e., extracting data from multiple data sources. Data Variety Hadoop stores structured, semi-structured and unstructured data.