What is SQL subqueries?
SQL subqueries (also called inner queries or nested queries ) are queries written …
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What is SQL?
🔷 What is SQL? SQL (Structured Query Language) is a standard language used to s…
What is data cleaning?
Here’s a clear and simple explanation of Data Cleaning , perfect for beginners: Wh…
How to create chart and dashboard in excel
Here’s a clear, beginner-friendly explanation of Charts and Dashboards in Excel , p…
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How to create pivot table in excel
Here is more detailed explanation with extra tips, tricks, and examples for creatin…
Excel Formulas
Here are the most useful Excel formulas explained in a simple and beginner-friendly…
Remove Duplicate in excel
Here’s the quickest and simplest way to remove duplicates in Excel 👇 ✅ Method 1…
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