SalesAnalysis_SQL_PowerBI
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Data Analyst portfolio project that deals with business KPIs, cleaning and transforming data and visualizing it to create a dashboard. The tools used are: SQL Server, T-SQL, Excel and Power BI.
SalesAnalysis_SQL_PowerBI
Setup
- This project requires SQL Server (SQL Express), Power BI Desktop
- We will work with backup Data Warehouse (DW) data and Lightweight (LT) data. Obtain data and restore following instructions from here.
- Compare DW and LT data to understand the difference between structured and unstructured data. We will primarily be working with Data Warehouse data.
- Update Data Warehouse data using sql script.
Business Request & User Stories
- Read the sample business request, demand overview & filled-out user stories to understand the problem we are trying to solve with Data Analysis and what we consider as a solution.
Clean the Data using T-SQL
- Understand the difference between FACT tables & Dimension tables.
- Identify which tables in the data are of interest with the help of the Business Request form.
- Choose which columns are of interest to export by preparing and transforming these columns in SQL using concepts such as: renaming columns, combining columns, commenting in SQL script, formatting of SQL statements, WHERE clause, ORDER BY, LEFT JOIN, CASE() function and ISNULL() function.
Create Dashboard in Power BI
- Load Data
- Organize & Prepare Tables
- Connect Tables for Data Model
- Import Fact_Budget
- Calculation Measures
- Dashboard Design
- Import Custom Visual
- Measure Table
- Pie Chart
- Line Chart
- Bar Charts
- Map Graph
- Top 10 Graphs
- Gradient Bar Chart Color
- Customer Details
- Pivot Table
Dashboard
- Download the file and open in Power BI Desktop for interactive viewing.
- See a screenshot of the Dashboard in pdf.