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This repository contains a collection of SQL scripts demonstrating various analytical techniques, such as changes over time, cumulative, performance, data segmentation, part-to-whole analysis.
Using complex SQL queries, including PostgreSQL window functions, to answer specific business questions. Notably using multiple named subqueries, views to extract data from a database to address specific problems.
This repository contains SQL scripts for analyzing ERP and CRM data from the gold layer of the data warehouse built in PostgreSQL-Data-Warehouse-Project. It covers both exploratory data analysis and advanced analytics techniques like trend analysis, cumulative metrics, performance tracking, data segmentation, and part-to-whole evaluation.
MySQL + Tableau Project
SQL exercises and projects done at alx training
A collection of T-SQL scripts I written throughout my journey as a Data Analyst, Data Engineer, and BI Developer. They demonstrate the use of window functions, calculating dates, dynamic SQL, stored procedures, and other out of the box solutions.
Demo of using window function with JOOQ & Springboot
This project analyzes e-commerce order fulfillment using Advanced SQL Techniques and Python-based visualization to uncover insights on sales trends, customer segmentation, shipping cost optimization, and payment preferences.
A Data Collection and Storage project using SQL from TripleTen
data-modeling-analysis-sql
Case Study #1 - Danny's Diner
Analyzing and cleaning of COVID-19 data using different SQL functionalities.
SQL Data Analysis and Estimation Projects
Danny Ma's #8WeekSQLChallenge case study solutions.
Built a Data Model, Implemented Basic to Advanced SQL Queries
Аналитический проект из ad-hoc запросов к базе данных с данными об авиаперевозках
MySQL code using subqueries and window functions
Get ready to boost your SQL proficiency, solve intriguing data problems, and earn a sense of accomplishment as you complete this 8-week journey. Whether you're a data analyst, a database administrator, or simply passionate about data, the '8 Weeks of SQL Challenge' will help you level up your SQL skills and open up new opportunities.
bunch of SQL Window function query examples
MySQL-for data analytics