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Power BI Explained: Easy-to-Follow Guide for Data Analysis and Reporting

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1. Introduction to Power BI Power BI is a business analytics service provided by Microsoft that helps users visualize data, share insights, and make informed decisions using real-time analytics. It allows data from different sources to be connected, analyzed, and presented through reports and dashboards. Power BI is widely used in educational institutions, businesses, and organizations that require data-driven decision-making. Power BI simplifies complex datasets, enabling users to derive meaningful insights without needing advanced programming skills. It is especially useful for students working on projects, assignments, or internships. Key Benefits: Combines data from multiple sources. Helps in real-time data monitoring. Makes information visually engaging. Provides insights that guide decisions. Real-time Example: A university analyzing student enrollment patterns over the years can use Power BI to present trends and forecast future student intake, helping admin...
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Procedures and Functions in PL/SQL

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Procedures and Functions in PL/SQL Introduction: What is PL/SQL? PL/SQL is Oracle's procedural extension to SQL. It allows you to write code that includes both SQL statements and procedural constructs such as loops, conditions, and error handling. What are Procedures and Functions? Procedures: Procedures are named blocks of code that perform one or more specific actions. They do not return a value directly but can modify database records, perform calculations, or control the flow of execution. Functions: Functions are similar to procedures but are designed to return a single value. They are often used for calculations or processing data and can be called directly within SQL statements. Advantages Advantages of Using Procedures and Functions Modularity: Code is divided into smaller, manageable pieces, making it easier to understand, maintain, and reuse. Reusability: Once written, procedures and functions can be used multiple times t...
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