Khan Academy
Khan Academy: Splitting Data Into Related Tables
See how data distributed across multiple tables are related to each other in some way.
Khan Academy
Khan Academy: Unit: Intro to Sql: Querying and Managing Data
Learn how to use SQL to store, query, and manipulate data. SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations.
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Business Education Resource Consortium: Computer Science & Information Systems
In this online manual you will find examples of integrated performance activities developed to coordinate with the Computer Science and Information Systems Career Path in the Business Education Career Path and Model Curriculum Standards....
Khan Academy
Khan Academy: More Efficient Sql With Query Planning and Optimization
Take a look at the efficiency of SQL queries and how quickly they execute, and see if could they execute faster.