Explore this tutorial covering Star Schema, relational data models, views, and denormalization. Learn how to design efficient databases with practical examples, from business transaction data to creating a Star Schema for data warehousing.
Understand the fundamental differences between flat files and relational data models in data management. This video/tutorial compares the structure, scalability, performance, and use cases of flat file systems and relational databases. Ideal for beginners in data modeling, database design, or business intelligence.
Medallion Architecture is a modern data lakehouse framework with three layers: Bronze (raw data), Silver (cleansed data), and Gold (curated data for analytics). It’s designed for scalability, supporting batch and streaming data in cloud environments like Databricks. Bill Inmon advocates a top-down approach with a normalized enterprise data warehouse (EDW) for consistency, aligning with Medallion’s […]
Learning AI as a non-technical person can feel overwhelming due to the jargon and complexity, but it’s absolutely possible to break into the AI field or job market with the right approach. The key is to focus on understanding AI conceptually, building relevant skills, and finding roles that align with your strengths. Below, I’ll elaborate […]
Unlock the power of data with this complete Power BI tutorial using the popular AdventureWorks SQL Server dataset. In this step-by-step guide, you’ll learn how to build a professional, interactive Power BI dashboard from scratch.
Unlock the full potential of Power BI by building a dynamic sales dashboard using SQL Server and the AdventureWorks dataset.
Unlock the full potential of your data with this step-by-step tutorial on building a Power BI Dashboard using SQL Server and AdventureWorks Database. Learn how to connect to SQL Server, import AdventureWorks data, and create powerful, interactive visuals in Power BI. Perfect for data analysts, BI professionals, and beginners wanting to master data modeling and […]
The USERELATIONSHIP function in DAX is used to activate an inactive relationship between two tables for the duration of a specific calculation. This is particularly useful when there are multiple relationships between tables (e.g., a Date table linked to both Order Date and Ship Date in a Sales table), but only one can be active […]
Optimize your SQL queries: Ensure the underlying queries are efficient Add indexes to frequently filtered or sorted fields Use stored procedures instead of direct table access Reduce data volume by filtering at the database level Report Design Improvements
Struggling with slow Crystal Reports when dealing with millions of records? In this video, we’ll show you how to optimize and speed up your Crystal Reports performance like a pro! 🚀 Learn expert techniques including: Efficient SQL query design Using server-side filtering and indexing Minimizing formula complexity Limiting unnecessary data loads Leveraging stored procedures for […]
