GitHub

sql-joins

This repository contains structured SQL notes, practice queries, and interview questions. Covers DDL, DML, Joins, Subqueries, Constraints, Views, and more. Ideal for beginners, students, and ...
Microsoft

Enhancing reporting and analytics with SQL Server 2025 tools and services

At Microsoft Build 2025, we announced the public preview of SQL Server 2025. Built on a foundation of best-in-class security, performance, and availability, SQL Server 2025 empowers customers to ...
Hacker

How to Master SQL Joins - Inner, Outer, Cross, and Self-Joins With Examples

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
GitHub

Data Analysis with Complex Queries

The primary goal of this project is to showcase proficiency in writing complex SQL queries for data analysis using MySQL. We aim to go beyond basic SELECT statements and explore the capabilities of ...
Hacker

SQL Window Functions: A Quick Review With Examples

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
www.cs.cmu.edu

The Key to Effective UDF Optimization: Before Inlining, First Perform Outlining

SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...
IEEE

Enhanced rough SQL for correlated subqueries

Abstract: We discuss some enhancements of approximate SQL extensions available in Infobright's database technology. We explain how these new enhancements can speed up execution of complex correlated ...