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“Aggregate Queries” Please respond to the following: Suppose you have been hired as an IT professional to support database reporting functionality for a Human Resources system. Compose at least two aggregate function queries that can be useful for the executives…

Maintaining Data Integrity” Please respond to the following: Describe the importance of maintaining integrity rules throughout the database structure. Create at least three examples of common relationships that are used within a relational database system. Justify your response. Many times,…