article thumbnail

Sqoop vs. Flume Battle of the Hadoop ETL tools

ProjectPro

Some of the common challenges with data ingestion in Hadoop are parallel processing, data quality, machine data on a higher scale of several gigabytes per minute, multiple source ingestion, real-time ingestion and scalability. Need for Apache Sqoop How Apache Sqoop works? Need for Flume How Apache Flume works?

article thumbnail

How to Become an Azure Data Engineer? 2023 Roadmap

Knowledge Hut

To be an Azure Data Engineer, you must have a working knowledge of SQL (Structured Query Language), which is used to extract and manipulate data from relational databases. You should be able to create intricate queries that use subqueries, join numerous tables, and aggregate data.

Insiders

Sign Up for our Newsletter

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

article thumbnail

Data Pipeline- Definition, Architecture, Examples, and Use Cases

ProjectPro

In addition, to extract data from the eCommerce website, you need experts familiar with databases like MongoDB that store reviews of customers. Using the graphical user interface that Talend Open Studio provides, you can easily map structured and unstructured data from multiple sources to the target systems.

article thumbnail

100+ Data Engineer Interview Questions and Answers for 2023

ProjectPro

E.g. Redis, MongoDB, Cassandra, HBase , Neo4j, CouchDB What is data modeling? Data modeling is a technique that defines and analyzes the data requirements needed to support business processes. Data engineers use the organizational data blueprint to collect, maintain and prepare the required data.

article thumbnail

The Good and the Bad of Apache Kafka Streaming Platform

AltexSoft

The technology was written in Java and Scala in LinkedIn to solve the internal problem of managing continuous data flows. This enables systems using Kafka to aggregate data from many sources and to make it consistent. Instead of interfering with each other, Kafka consumers create groups and split data among themselves.

Kafka 93