Question: Create the table that would result from applying the SELECT
Create the table that would result from applying the SELECT and PROJECT relational operators to the CHARTER table to return only the CHAR_TRIP, CHAR_PILOT, and CHAR_COPILOT attributes for charters flown by both employee 105 and employee 109.
Answer to relevant QuestionsCreate the table that would result from applying a DIFFERENCE relational operator of your result from problem 29 to your result from problem 30.Discuss the difference between a composite key and a composite attribute. How would each be indicated in an ERD?Write the business rules reflected in this ERD.Create a complete ERD in Crow’s Foot notation that can be implemented in the relational model using the following description of operations. Hot Water (HW) is a small start-up company that sells spas. HW does not carry any ...What is a specialization hierarchy?
Post your question