// DATA ANALYTICS & SOFTWARE CASE STUDIES
PROJECT CASE STUDIES
Explore data analytics, SQL queries, PostgreSQL databases, and data-driven applications.
Flagship Analytics Hub
Interactive Business Performance Analytics & Customer RFM dashboards with 100% validated SQL results.
Select Case File To Inspect3 Primary Case Studies Available
CASE FILE NO. 01
June 2026
BUSINESS PERFORMANCE ANALYTICS
PostgreSQL / SQL / Business Intelligence
PythonSQLPostgreSQLPower BITypeScriptNext.jsPandasNumPy
Core Research Question
"How can 99,970 transaction records be analyzed to reveal revenue drivers, target risks, and discount margins?"
Data Lifecycle & Cleaning Summary
DATA CLEANING ACTIONS
Missing Values: Validated 0 missing order IDs across 99,970 records
Duplicates: Confirmed 0 duplicate order keys
Inconsistencies: Standardized category naming (accessories -> Accessories) and payment strings
Data Types: Cast monetary fields to Numeric(12,2) and dates to ISO 8601
DATA PIPELINE STEPS
Gathering: Loaded 99,970 transaction records into PostgreSQL database business_performance (public.sales_transactions).
Validation: Validated row counts (99,970 rows, 0 duplicates) and reconciled financial fields across ledger statements.
Analysis: Executed 11 production SQL queries analyzing revenue, profit, margins, target hit rates (6.28%), and 80 sales reps.
SQL Query Implementation
PostgreSQL Analytical Query
Analytical Data Visualization & Interactive Product
// COMPLETE BI PRODUCT AVAILABLE
VIEW INTERACTIVE DASHBOARD & SQL EXPLORER →Business Performance Analytics Dashboard
Explore the complete 11-query SQL Explorer, 80-salesperson interactive performance matrix, discount margin degradation curves, and dynamic BI dashboard.
Key Insights & Impact
Total Revenue & Profit: ₹3.37B Revenue | ₹1.06B Net Profit (31.41% Profit Margin)
Category Insights: Electronics leads revenue (₹1.35B), Office Supplies leads margin (35.24%)
Target Hit Rate Finding: 6.28% transaction-level target hit rate overall across 99,970 transactions
Result Summary: Transformed 99,970 raw sales records into an interactive BI product and executive strategy notebook.