Category: DATA SCIENCE & AI
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Beyond the Basics: Views, Ranking Functions and Aggregation with ROLLUP
Welcome back to our ongoing MSSQL series! In our previous post, we dived into Subqueries for precise data filtering and understood the foundational concept of Candidate Keys for robust database design. Today, we’re expanding our toolkit even further by exploring three powerful features that enhance data presentation, analysis, and aggregation: Views (virtual tables for simplified…
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User-Defined Functions (UDFs): Extending SQL’s Capabilities
Welcome back to our journey through MSSQL! In our last post, Stored Procedures and Rules: Enhancing Database Control , we mastered encapsulating complex logic with Stored Procedures and understood why CHECK Constraints are vital for data integrity. Now, let’s explore User-Defined Functions (UDFs), another powerful way to extend SQL’s functionality and make your code more…
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Stored Procedures and Rules: Enhancing Database Control
Welcome back to our MSSQL journey! In the previous post, we explored the power of SQL Triggers for automating database actions. Now, let’s unlock two more powerful features that give you greater control over your database operations and data integrity: Stored Procedures and Rules. These tools allow for the encapsulation of complex logic, enhance security,…
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SQL Triggers: Automating Database Actions
Welcome back, data adventurers! In our previous post, we delved deep into SQL Functions, discovering how these powerful tools help us summarize, manipulate, and extract insights from our data. We explored everything from COUNT() and SUM() to UPPER(), TRIM(), and essential date functions like GETDATE() and DATEDIFF(). Today, we’re taking another significant leap forward. We’ll…
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SQL Functions: A Deep Dive into Essential Functions
Welcome back to our SQL journey! In our previous discussions, we’ve built a solid foundation – from setting up our database and defining its tables to manipulating data with DDL and DML commands, and even mastering various JOIN operations to link related information. Today, we’re taking another crucial step forward by delving into SQL Functions.…