Remove Big Data Skills Remove Bytes Remove Hadoop Remove SQL
article thumbnail

5 Reasons why Java professionals should learn Hadoop

ProjectPro

According to the Industry Analytics Report, hadoop professionals get 250% salary hike. Java developers have increased probability to get a strong salary hike when they shift to big data job roles. If you are a java developer, you might have already heard about the excitement revolving around big data hadoop.

Java 52
article thumbnail

How to Become a Big Data Engineer in 2023

ProjectPro

Becoming a Big Data Engineer - The Next Steps Big Data Engineer - The Market Demand An organization’s data science capabilities require data warehousing and mining, modeling, data infrastructure, and metadata management. Most of these are performed by Data Engineers.

Insiders

Sign Up for our Newsletter

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

article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

Typically, data processing is done using frameworks such as Hadoop, Spark, MapReduce, Flink, and Pig, to mention a few. How is Hadoop related to Big Data? Explain the difference between Hadoop and RDBMS. Data Variety Hadoop stores structured, semi-structured and unstructured data.

article thumbnail

50 PySpark Interview Questions and Answers For 2023

ProjectPro

The most important aspect of Spark SQL & DataFrame is PySpark UDF (i.e., We write a Python function and wrap it in PySpark SQL udf() or register it as udf and use it on DataFrame and SQL , respectively, in the case of PySpark. By passing the function to PySpark SQL udf(), we can convert the convertCase() function to UDF().

Hadoop 52