Welcome to the first video in our Crystal Reports Tutorial Series! Link to Files used in this Tutorial https://drive.google.com/drive/folders/1960mVXWPNs-TLk5UZ04jW2kbLUBamwrT?usp=sharing In this tutorial, you’ll learn the basics of Crystal Reports, including: What Crystal Reports is and how it’s used Setting up the software Creating your first simple report Whether you’re a beginner or looking to refresh […]
Unlock the power of relationships in Power BI with the DAX RELATED function! In this tutorial, you’ll learn how to use RELATED to fetch data from related tables, understand its role in one-to-many and many-to-one relationships, and apply it in real-world reporting scenarios. Perfect for beginners and advanced Power BI users, this guide covers practical […]
This tutorial guides you through creating a comprehensive hospital dashboard in Power BI to visualize key healthcare metrics. Learn to connect to healthcare datasets, design interactive visuals, and build a user-friendly dashboard to monitor patient admissions, staff performance, and resource allocation. Ideal for healthcare analysts and administrators seeking data-driven insights.
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.
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 […]
In this SQL tutorial, you’ll learn how to use the UNION ALL operator to combine the results of multiple SQL queries. Unlike the regular UNION operator, UNION ALL returns all rows, including duplicates, from the SELECT queries. This makes it an ideal choice for scenarios where you need to preserve all data, regardless of duplication. […]
In this SQL tutorial, we’ll explore how to summarize data effectively using the HAVING clause and correlated subqueries. Learn how to filter aggregated results, apply conditions to grouped data, and use subqueries that dynamically adjust based on the outer query. Perfect for beginners and advanced SQL learners alike! 📌 Topics Covered: ✅ Understanding the HAVING […]
For Complete Source: visit https://www.businessintelligence.bi/2025/03/05/sql-correlated-sub-query-explained-fetch-employees-with-above-average-salary-using-ctes/ In this video, we break down an advanced SQL query step by step! Learn how to use Common Table Expressions (CTEs) to fetch the latest salary and department of employees, filter out those earning above the department’s average salary, and optimize queries using ROW_NUMBER() and JOINs. Perfect for SQL learners […]
A Common Table Expression (CTE) is the result set of a query which exists temporarily and for use only within the context of a larger query. Learn how to write an SQL query to retrieve the latest pay rate and department for employees. This tutorial covers key SQL techniques such as JOIN, GROUP BY, and […]
Want to level up your SQL skills? In this tutorial, we break down Subqueries and Joins step by step, helping you understand when and how to use them efficiently. Whether you’re a beginner or an experienced SQL user, this video will enhance your database query skills. 🚀 What You’ll Learn: ✅ What are Subqueries & […]
