Answer:
A computer has one IP address and many ports.
Explanation:
Hello! The answer to your question would be as followed:
C. The columns will be listed in the results in the same order they are listed in the SELECT clause of the SELECT statement.
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.
