Abstract: Efficient SQL Query Optimization (QO) is a fundamental aspect of database management systems, aimed at enhancing query performance and reducing resource consumption typically involves ...

Getting ready for a SQL interview can feel like a big task. There are so many things to know, and interviewers love to ask about them! This guide is here to help. We’ve gathered some of the most ...

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 ...

A SQL-based fraud detection project using PostgreSQL to analyze transaction data for a bank and uncover high-risk behaviors, repeat offenders, and location-based anomalies.

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

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 ...

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 ...

In this course, you will list the users of Oracle, trace the history of databases, list the phases in the development life cycle for Oracle systems, list and define the levels of normalization, ...