The most comprehensive SQL guide from a real-world expert! Learn everything from basics to advanced queries, optimizations, and real-world SQL
-
Updated
May 7, 2025 - TSQL
The term “query” can mean multiple things:
The most comprehensive SQL guide from a real-world expert! Learn everything from basics to advanced queries, optimizations, and real-world SQL
Open source SQL Server troubleshooting: sp_PressureDetector, sp_QuickieStore, sp_HumanEvents, and other SQL Server scripts for performance troubleshooting
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.
An ongoing & curated collection of awesome software libraries, learning tutorials, Useful links & scripts, tools, resources and cool stuff about Microsoft SQL Server
🌎World countries, states/regions, cities served inn various formats. All Countries, Cities, States with ISO2, ISO3
This repository contains SQL problems from HackerRank, DataLemur and other challenges. Contains solutions to improve skills in database querying, optimization, and data manipulation.
In this repository I prove my knowledge and technical skills using this tool as a Data Analyst.
Database Lab Homeworks
This project aim is to manage a stock of Osher Ad
A playground for SQL (Structured Query Language).
Microsoft SQL Server es un sistema de gestión de bases de datos relacionales (RDBMS) que admite una amplia variedad de aplicaciones de procesamiento de transacciones, inteligencia empresarial y análisis en entornos informáticos corporativos.
Created a database schema for a dental clinic management system. This database can also be useful when creating a hospital database. The schema includes tables for doctors, technicians, patients, appointments, examinations, medications, diagnoses, prescriptions, invoices and payments.
A modern SQL toolkit for data-driven applications built for engineers, analysts, and performance
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.
Compilação que vai do básico ao avançado de conhecimentos adquiridos em diversos cursos online sobre SQL Server.