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Analytics
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SQL
Understanding Joins and Subqueries in SQL
Breaks down inner, left, and full joins with examples of subqueries. Explains…
Blog
Listing of practical articles on formulas, queries, chart building, and data cleaning techniques for daily reporting tasks.
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Excel
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Visualization
Building Interactive Dashboards in Excel
Shows how to combine pivot tables, slicers, and charts into a single…
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Data Cleaning
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Excel
Step-by-Step Guide to Cleaning Messy Datasets
Outlines a repeatable process for handling missing values, duplicates, and inconsistent formats.…
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Analytics
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Visualization
Choosing the Right Chart for Your Data
Discusses when to use bar, line, and scatter plots based on data…
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SQL
Writing Efficient SQL Queries for Reporting
Explains how to structure joins, filters, and subqueries to extract accurate results.…
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Analytics
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Excel
Essential Excel Formulas for Data Analysts
Covers lookup, aggregation, and logical functions that streamline calculations in spreadsheets. Examples…
