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Why Real-Time Analytics Requires Both the Flexibility of NoSQL and Strict Schemas of SQL Systems

Rockset

Traditional databases, with their wholly-inflexible structures, are brittle. So are schemaless NoSQL databases, which capably ingest firehoses of data but are poor at extracting complex insights from that data. And the same risk of data errors and data downtime also exists. NoSQL Comes to the Rescue.

NoSQL 52
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Data Lake vs Data Warehouse - Working Together in the Cloud

ProjectPro

Data Lake vs Data Warehouse = Load First, Think Later vs Think First, Load Later” The terms data lake and data warehouse are frequently stumbled upon when it comes to storing large volumes of data. Data Warehouse Architecture What is a Data lake?

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Best Morgan Stanley Data Engineer Interview Questions

U-Next

A solid understanding of relational databases and SQL language is a must-have skill, as an ability to manipulate large amounts of data effectively. A good Data Engineer will also have experience working with NoSQL solutions such as MongoDB or Cassandra, while knowledge of Hadoop or Spark would be beneficial.

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A Prequel to Data Mesh

Towards Data Science

New data formats emerged — JSON, Avro, Parquet, XML etc. Result: Hadoop & NoSQL frameworks emerged. Data lakes were introduced to store the new data formats. Result: Cloud data warehouse offerings emerged as preferred solutions for relational and semi-structured data.

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Data Modeling That Evolves With Your Business Using Data Vault

Data Engineering Podcast

What are some of the foundational skills and knowledge that are necessary for effective modeling of data warehouses? How has the era of data lakes, unstructured/semi-structured data, and non-relational storage engines impacted the state of the art in data modeling?

Data Lake 100
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15+ Best Data Engineering Tools to Explore in 2023

Knowledge Hut

Database management: Data engineers should be proficient in storing and managing data and working with different databases, including relational and NoSQL databases. Data modeling: Data engineers should be able to design and develop data models that help represent complex data structures effectively.

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Azure Data Engineer Interview Questions -Edureka

Edureka

One can use polybase: From Azure SQL Database or Azure Synapse Analytics, query data kept in Hadoop, Azure Blob Storage, or Azure Data Lake Store. It does away with the requirement to import data from an outside source. Export information to Azure Data Lake Store, Azure Blob Storage, or Hadoop.