About this document

SQL Database Query Basics and Examples by Quỳnh Phươnn is a document available to read on EtoBox.

The document provides an overview of SQL (Structured Query Language), detailing its role as the standard language for relational database systems and outlining its components, including Data Definition Language (DDL) and Data Manipulation Language (DML). It also covers the history of SQL, examples of creating tables, modifying schemas, and executing various SQL queries, including joins and aggregate functions. Additionally, it explains the use of SQL aliases and the differences between inner and outer joins

Author

Quỳnh Phươnn

Language

EN