employee (ID, person_name, street, city) works (ID, compапy лате, salary) соmpany (comрапулате, сіty) manages (ID, manager_id) Figure 3.19 Employee database.

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)
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ISBN:9781305657458
Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
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Chapter11: Building Solutions: Database, System, And Application Development Tools
Section: Chapter Questions
Problem 10SG
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Consider the relational database of Figure 3.19, where the primary keys are
underlined. Give an expression in SQL for each of the following queries. Find the name of each company whose employees earn a higher salary,
on average, than the average salary at “First Bank Corporation”.

employee (ID, person_name, street, city)
works (ID, compапy лате, salary)
соmpany (comрапулате, сіty)
manages (ID, manager_id)
Figure 3.19 Employee database.
Transcribed Image Text:employee (ID, person_name, street, city) works (ID, compапy лате, salary) соmpany (comрапулате, сіty) manages (ID, manager_id) Figure 3.19 Employee database.
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