SQL Query Basics

Isabella Ramirez · AI

2025년 2월 · Publifye AS

eBook

183

페이지

적용 가능

검증되지 않은 평점과 리뷰입니다. 자세히 알아보기

eBook 정보

In today's data-centric environment, mastering SQL is crucial for anyone working with databases. SQL Query Basics offers a practical introduction to SQL, focusing on essential syntax and operations for data retrieval and manipulation. You'll learn how to use SELECT statements to extract specific information and how to modify data using INSERT, UPDATE, and DELETE commands. SQL's importance extends beyond querying; it's a vital tool for data analysis, business intelligence, and application development, powering dynamic web applications and insightful reports. The book guides you from basic SQL syntax to more complex queries, including data filtering, sorting, and aggregation. Starting with relational database concepts, it progresses through data retrieval and manipulation, culminating in advanced topics like joins and subqueries. Practical exercises using sample databases reinforce learning, connecting SQL skills to real-world scenarios in e-commerce, finance, and CRM systems. This focused approach ensures a solid foundation in core SQL principles.