Ascend.io

SEPTEMBER 14, 2023

Use Case: Transforming monthly sales data to weekly averages import dask.dataframe as dd data = dd.read_csv('large_dataset.csv') mean_values = data.groupby('category').mean().compute() compute() Data Storage Python extends its mastery to data storage, boasting smooth integrations with both SQL and NoSQL databases.

Data Engineer 52

Data Engineer Data Engineering Python Engineering 52

Knowledge Hut

SEPTEMBER 6, 2023

This is an entry-level database certification, and it is a stepping stone for other role-based data-focused certifications, like Azure Data Engineer Associate, Azure Database Administrator Associate, Azure Developer Associate, or Power BI Data Analyst Associate. Skills acquired : Core data concepts. Data storage options.

Database 52

Database Certification MongoDB MySQL 52

AltexSoft

SEPTEMBER 21, 2023

Speed and performance Speed and performance are foundational to Elasticsearch’s appeal, setting it apart from traditional data storage and retrieval systems. Elastic Certified Analyst : Aimed at professionals using Kibana for data visualization.

Engineering 52

Engineering NoSQL Programming Language Java 52

ProjectPro

FEBRUARY 8, 2023

Furthermore, Glue supports databases hosted on Amazon Elastic Compute Cloud (EC2) instances on an Amazon Virtual Private Cloud, including MySQL, Oracle, Microsoft SQL Server, and PostgreSQL. It is also compatible with other popular data storage that may be deployed on Amazon EC2 instances. Why Use AWS Glue?

AWS 98

AWS Scala Metadata Data Lake 98

Rockset

SEPTEMBER 13, 2022

Further, data is king, and users want to be able to slice and dice aggregated data as needed to find insights. Users don't want to wait for data engineers to provision new indexes or build new ETL chains. They want unfettered access to the freshest data available.

SQL 52

SQL Database Relational Database NoSQL 52

ProjectPro

JULY 27, 2021

Below are some big data interview questions for data engineers based on the fundamental concepts of big data, such as data modeling, data analysis , data migration, data processing architecture, data storage, big data analytics, etc. What is meant by Aggregate Functions in SQL?

Data Engineer 40

Data Engineer Data Engineering Engineering Hadoop 40