Cardinality in Power BI: One-to-Many and Other Examples Cardinality in Power BI defines how data in one table relates to data in another. When building relationships between tables like Orders, OrderDetails, and Customers, it’s essential to choose the correct cardinality to ensure accurate results in reports and dashboards. In this blog, we’ll explain what cardinality…
Read More
Cloud Skills for IT Professionals: Top 10 for 2025 In today’s rapidly evolving tech landscape, the cloud has become the backbone of modern IT. But it’s not enough to simply understand the cloud — IT professionals must now master a specific set of skills to remain competitive and relevant. This blog explores the essential cloud…
Read More
If you’ve ever needed to compare two columns in Excel — such as employee names or IDs — to check which ones appear in both, you’re not alone. This task is incredibly common in HR and admin work, whether you’re cross-checking payroll lists, training attendance, or active vs. terminated employee records. . Use Case Let’s…
Read More
How to Create Relationships in Power BI Learning how to create relationships in Power BI is a fundamental step in building accurate and efficient data models. Relationships connect tables, allowing data from different sources to work together seamlessly. Whether analyzing sales performance, tracking customer behavior, or linking product information, establishing relationships correctly ensures the reliability…
Read More
Best Programming Languages for Career Starters Are you planning to start a career in technology but unsure which programming language to learn first? You’re not alone. With so many programming languages for career starters out there, it’s easy to feel overwhelmed. At Ohio Computer Academy, we train beginners every day who ask: Should I start…
Read More
IT Training in 2025: Igniting Innovation and Growth At Ohio Computer Academy, we’ve kicked off 2025 with purpose, energy, and innovation. The first quarter has brought exciting progress in our mission to deliver high-impact IT training in 2025—from hands-on programs in technology, analytics, AI, and business intelligence to a new book launch designed to help…
Read More
Success in 2024, Momentum for 2025 As 2024 draws to a close, I want to take a moment to reflect on what has truly been a year of “Success in 2024, Momentum for 2025.” I am filled with gratitude for our incredible team, valued clients, and trusted partners who have been instrumental in navigating a…
Read More
Creating Tableau Stacked Bar Chart with Percent of Total and Totals on Top A Stacked bar chart is easy to create in Tableau but displaying totals at the top of the bars can be tricky. One way to achieve this is by using a reference line. However, it becomes challenging if you need to display…
Read More
Why is Excel Still Relevant? In an era dominated by advanced data tools, artificial intelligence, and cloud-based analytics platforms, many people wonder, Why is Excel Still Relevant? After leading a recent Excel training session, I can confidently say that Excel continues to be an essential tool—and here’s why. Excel’s Undeniable Versatility During our training, we…
Read MoreHow to Create a Microsoft Azure Account: A Step-by-Step Guide Microsoft Azure is essential for anyone looking to pursue a career in cloud computing. Since most organizations today utilize cloud technologies, it can be applied across various industries. This blog, titled ‘How to Create a Microsoft Azure Account: A Step-by-Step Guide,’ will provide a detailed…
Read More