Introduction to SQL: From relational algebra to queries

This video introduces SQL as a method of querying and managing relational database management systems. SQL stands for Structured Query Language Pronounced “sequel” and uses relational algebra to query data. SQL is a very "high-level" declarative language, you tell it "what to do" rather than "how to do it." This video covers the following topics: Introduction to SQL Simple Queries Multi-Relation Queries Subqueries Join Types If you want to understand relational algebra better please check out this video:    • 3.0: Algebraic Query Language: The foundat...   Like this video and subscribe and would like to see more like it!    / @codingcoach   Link to slides used in this presentation: https://drive.google.com/file/d/1Mv6Z... Book used in this course: Garcia-Molina, Hector. Database systems: the complete book. Pearson Education India, 2008. https://www.amazon.com/Database-Syste...