Slowly Changing Dimensions (SCDs) are an essential concept in data warehousing and business intelligence. They refer to how data that changes slowly over time is managed within a data warehouse to ensure historical accuracy and consistency. Let's dive into the different types of SCDs and illustrate each with an example. Types of Slowly Changing Dimensions … Continue reading The SCD’s – Slowly Changing Dimensions
Tag: Data Warehouse
ETL vs ELT : Finding the Best Fit for Your Data Strategy
ETL (Extract, Transform, Load) and ELT (Extract, Load, Transform) are two approaches to data integration and processing, particularly in the context of building data warehouses or data lakes. Here's a comparison of ETL and ELT: Sequence of Operations: ETL: In ETL, data is first extracted from the source systems, then transformed according to the business … Continue reading ETL vs ELT : Finding the Best Fit for Your Data Strategy
Data Warehouse
What is a Data Warehouse? Imagine having a business and accessing tons of available information from different data sources. Tiring, right? That's where the data warehousing comes into picture. It basically aggregates data from many different sources to single destination. It helps businesses streamline their workflow and stay on top of their game. Think of it as a giant organized office achieve specially designed … Continue reading Data Warehouse