Answer:
Correct answer is option B (The reason for using supertypes is to minimize the number of nulls and to minimize the likelihood of redundant relationships)
Explanation:
Entity supertype
A entity supertype is a generic entity type which is related with one or more subtypes.
Use of entity supertype:
The reason for using entity supertype is to reduce redundant relationships and it is also used to minimize the number of nulls.
Many types of birds and wasps
Archie was created in 1990 so that one is the first one.
Answer:
dan, man, han, do, jak, as, etc
Explanation:
65 DAC is the access control model is represented in the example where a user explains to you that his office implements a small Microsoft workgroup.
<h3>What is DAC?</h3>
DAC is a Microsoft dynamic access control is a tool for governing data in Windows server 2012. It helps in administering the access control settings of the device.
Thus, 65 DAC is the model that is used to represent the example in which a user explains to you that his office implements a small Microsoft workgroup.
Learn more about DAC
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