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Implement slowly changing dimensions in a data lake using AWS Glue and Delta

AWS Big Data

This post is designed to be implemented for a real customer use case, where you get full snapshot data on a daily basis. You can download the dataset and open it in a code editor such as VS Code. The dataset represents employee details such as ID, name, address, phone number, contractor or not, and more.

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Build an Amazon Redshift data warehouse using an Amazon DynamoDB single-table design

AWS Big Data

The challenge comes when we need to ask more complex questions of our data, for example, what was the year-on-year quarterly sales growth by product broken down by country? The case for a data warehouse A data warehouse is ideally suited to answer OLAP queries. To house our data, we need to define a data model.

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Discover Efficient Data Extraction Through Replication With Angles Enterprise for Oracle

Jet Global

Advantages : Replication reduces the load on source systems because data extraction occurs at predefined intervals, reducing the real-time impact on production systems. It provides consistency in data for reporting purposes, as you are working with snapshots of the data at a particular point in time.