Understanding SQL and Relational Databases — Part 1

A brief overview of SQL

SQL Database Structure

https://www.google.com/url?sa=i&url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fsql%2Fssms%2Fvisual-db-tools%2Fdesign-database-diagrams-visual-database-tools&psig=AOvVaw1vSvc7oA0_z716qiIlgK7p&ust=1592517304324000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCLi2_LnrieoCFQAAAAAdAAAAABAD

Explaining Relational Data

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