Tag: Primary Key
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Subqueries and Candidate Keys: Mastering Advanced Queries and Database Design
Welcome back to our ongoing MSSQL series! In our previous post, User-Defined Functions (UDFs): Extending SQL’s Capabilities , we learned how to encapsulate and reuse SQL logic with custom functions. Today, we’re diving into two equally crucial, yet distinct, concepts that will elevate your SQL proficiency: Subqueries for advanced data retrieval and Candidate Keys for…
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Mastering SQL Basics: Part 1 – Foundations, Table Design, and Essential Queries
Welcome to the next installment of our SQL journey! In our previous posts, we laid the groundwork for understanding databases and explored the setup of MSSQL. Now, it’s time to roll up our sleeves and dive into practical SQL commands. In this post, you’ll build a strong SQL foundation: you’ll learn about database and table…