a) consider the employee database . What are the appropriate primary keys? b) Consider the employee database. Give an expression in the relational algebra to express each of the following queries: Find the name of each employee who lives in city “Miami”. Find the name of each employee whose salary is greater than $100000. Find the name of each employee who lives in “Miami” and whose salary is greater than $100000.

a) consider the employee database . What are the appropriate primary keys? b) Consider the employee database. Give an expression in the relational algebra to express each of the following queries: Find the name of each employee who lives in city “Miami”. Find the name of each employee whose salary is greater than $100000. Find the name of each employee who lives in “Miami” and whose salary is greater than $100000.

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)

1st Edition

ISBN:9781305657458

Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell

Publisher:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell

Chapter11: Building Solutions: Database, System, And Application Development Tools

Section: Chapter Questions

Problem 10SG

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