• Courses
  • Knowledge Hub
  • Cheat Sheets
  • Market Place
  • Plans and Pricing
  • Contact Us
  • Become an Instructor
DataValley
Category
Cloud Computing
Data Engineering
Data Modeling
ETL (Data Integration)
Data Science
Python
Webinars & Events
{{ search }}
Log in Sign Up

Login/Sign Up

Courses Favorites 0

Search

Category
Cloud Computing
Data Engineering
Data Modeling
ETL (Data Integration)
Data Science
Python
Webinars & Events
{{ search }}

Menu

  • Courses
  • Knowledge Hub
  • Cheat Sheets
  • Market Place
  • Plans and Pricing
  • Contact Us
  • Become an Instructor

Dimensional Modeling |Part 1: Introduction and Fact Types

April 12, 2021Seifalden Hany Data Engineering, Data Modeling

Dimensional Modeling Dimensional modeling is one of the data modeling techniques used for designing the data warehouses, It also considered a suitable technique for representing analytic data, because it understandably delivers data for users and is optimized for query performance which increases the data retrieval speed. Normalized databases are very useful in transactional processing because […]

Dimensional Modeling … Design Methodology for Analytics Oriented Data Warehouse | Data Warehouse

August 30, 2020radwa.ali Data Engineering, Data Modeling, Data Warehouse

Data warehouses has been around since the 80s. Throughout these years, it has proven its capabilities to support decision making and business analysis. Data warehouses allow Integrating many source systems such as databases, spreadsheets, and flat files. Cleansing and Transformation can be applied to these data after integration then organizes it in a way that […]

ER vs Dimensional Modeling simplified under 10 Minutes

April 24, 2020Ahmed Ibrahem Data Engineering, Data Modeling, Data Warehouse

In this video we will go through the main differences between ER modeling and Dimensional modeling by using simple and straight forward examples, and we will understand the importance of dimensional modeling in Data Warehouse design

Dimension Keys – Part 1 – Natural Keys | Data Warehouse

April 14, 2020Ahmed Ibrahem Data Engineering, Data Warehouse

Dimensions tables are core part of any Data Warehouse modeling. In general dimension tables store details side of any event or business process, for example, for a purchase operation from a retail store we will have dimension tables to store customer information, product information, store information, and so on, on the other hand, Fact tables […]

Learn

Courses
Cheat Sheets
Market Place
Plans and Pricing

About

DataValley is the e-learning platform for everything data science. From beginners to gurus, data geeks of all levels can find something at DataValley to help them enhance their skills.

Contact

DataValley Technologies.

[email protected]

Copyright © 2021 DataValley Technologies.
Search