Relational Query Languages
Answer the following questions in a word processing document, export the doc-ument as a PDF le, and submit via the course web site. For mathematical symbols you can normally use the \Symbols” font that is available in your word processor. If you are unable to create a join (./) symbol, you may simulate it as |><|.
It is recommended (but not required) that you test your SQL answers using a relational database. Such tests may help you nd the correct answers.