Question: No. 2 only 2. Define the integrity rules 3. This problem is concerned with modeling of a database that contains information on researchers, academic institutions,

No. 2 only

2. Define the "integrity rules" 3. This problem is concerned with modeling of a database that contains information on researchers, academic institutions, and collaborations among researchers. A researcher can either be employed as a professor or a lab assistant. There are three kinds of professors: assistant, associate, and full professors. The following should be stored

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