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Data Warehouse

38 posts

Galaxy Schema in Data Warehouse Modeling

Last Updated: 25 November 2025

A Galaxy Schema, also known as a Fact Constellation Schema, uses two or more fact tables that share common dimension tables. This setup allows multiple business processes ...read more

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Data Warehouse Modeling

Last Updated: 13 August 2025

Data modeling is the process of designing a visual representation of a system or database to establish how data will be stored, accessed, and managed. In the context of a ...read more

HOLAP (Hybrid OLAP)

Last Updated: 01 December 2025

Hybrid OLAP (HOLAP) combines the best of MOLAP and ROLAP. It stores summary data in multidimensional cubes for fast queries and keeps detailed data in relational databases...read more

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Last Updated: 29 November 2025

Discretization is the process of converting continuous data or numerical values into discrete categories or bins. This technique is often used in data analysis and machine...read more

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Difference between Data Mart, Data Lake, and Data Warehouse

Last Updated: 04 December 2025

A Data Mart, Data Lake and Data Warehouse are all types of data repositories used for storing and analyzing data, but they differ in purpose, structure, and scope.Data War...read more

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MOLAP (Multidimensional OLAP)

Last Updated: 06 November 2025

Multidimensional OLAP (MOLAP) is a fast and efficient data analysis technology that stores data in pre-aggregated multidimensional cubes. These cubes allow quick access to...read more

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Data Warehousing Tutorial

Last Updated: 06 November 2025

Data warehousing refers to the process of collecting, storing, and managing data from different sources in a centralized repository. It allows businesses to analyze histor...read more

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Computer Science and Engineering

Last Minute Notes (LMNs) - Data Warehousing

Last Updated: 24 January 2025

A Data Warehouse (DW) is a centralized system that stores large amounts of structured data from various sources, optimized for analysis, reporting, and decision-making. Un...read more

How to Switch from Data Warehouse Developer to Data Warehouse Architect?

Last Updated: 23 July 2025

The role of a Data Warehouse Developer focuses on the technical implementation of data storage systems, managing ETL processes, and ensuring efficient data handling. Howev...read more

Data Modeling Techniques For Data Warehouse

Last Updated: 12 December 2025

Data modelling defines how data is organized, stored and connected creating a clear blueprint for consistent and high-quality structures. It transforms raw data into meani...read more

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Data Transformation

Last Updated: 28 November 2025

Data Transformation involves converting raw data from multiple heterogeneous sources into a clean, standardized and analysis-ready format before loading it into the data w...read more

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AWS Redshift vs Google BigQuery: Top Differences

Last Updated: 23 July 2025

In the present world that is driven by numbers, businesses with increasing data must choose the most appropriate cloud data warehouse solution. When it comes to data stora...read more

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Snowflake Architecture

Last Updated: 23 July 2025

The architecture of Snowflake is a combination of standard shared-disk and shared-nothing database technologies. Snowflake, like shared-nothing architectures, processes qu...read more

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Cloud Computing

Geeks Premier League 2023

Last Updated: 06 November 2025

A data mart is a specialized subset of a data warehouse focused on a specific functional area or department within an organization. It provides a simplified and targeted v...read more

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Types of Facts in a Multidimensional Data Model

Last Updated: 23 July 2025

Multi-dimensional data modeling is a data modeling technique used in data warehouses to organize data in the database in an efficient manner to analyze future trends and p...read more

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