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A curated set of real-world SQL case studies built in SQL Server Management Studio (SSMS), covering business analytics, data cleaning, dashboard queries, and internship-level projects using T-SQL.

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DevGupta0112/SQLCaseStudies-SSMS

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SQLCaseStudies-SSMS

A collection of SQL scripts and case studies executed using SQL Server Management Studio (SSMS). These projects focus on real-world business scenarios, data cleaning, budgeting, internship tasks, and data exploration.


📂 Project Highlights

File Description
BUDGET SQL QUIERS.sql SQL logic to analyze and break down budget allocation scenarios.
Cognifiz Internship task Queries.sql SQL tasks performed during an internship, covering business-focused querying.
Covid Analysis (Tableau).sql Backend queries supporting a Tableau COVID-19 dashboard.
Data Cleaning Nashville Housing.sql Comprehensive SQL-based data cleaning and preprocessing task.
Many More Loading

🧠 Skills Applied

  • Writing complex SQL queries
  • Data cleaning and transformation
  • Using JOIN, CTE, WINDOW FUNCTIONS
  • Subqueries, Aggregations
  • Working with real business datasets
  • Preparing backend queries for dashboards

🛠 Tools Used

  • Microsoft SQL Server Management Studio (SSMS)
  • SQL (T-SQL dialect)
  • Tableau (in connection with SQL)
  • Excel (sometimes for supporting files)

🎯 Purpose

  • Practice real-life SQL problems
  • Build a solid SQL portfolio
  • Demonstrate practical data handling with T-SQL
  • Prepare for SQL-based data analyst roles

📬 Connect


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A curated set of real-world SQL case studies built in SQL Server Management Studio (SSMS), covering business analytics, data cleaning, dashboard queries, and internship-level projects using T-SQL.

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