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SQL Training and Database Queries

SQL Language: A Complete Guide to Learning and Querying Databases" is an ideal guide for those who want to master SQL from scratch or deepen their knowledge in this area. In this book, you will find a detailed description of the basic concepts of SQL, from basic syntax to complex database queries.

Through simple and understandable explanations, as well as many examples and tasks for self-work, you will learn how to create queries to extract, insert, update and delete data from databases. In addition, you will learn about advanced SQL features such as table joins, using aggregate functions, creating subqueries, and more.

This book will be useful for both novice and experienced developers, databases and analysts who want to improve their data skills using SQL.