Answer:
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Explanation:
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Well first of all who is your favorite celebrity?
Then find some research and look up interesting facts you did not know about.
Answer:
Join
Explanation:
Five basic set operators in relational algebra are as follows:
- Selection - tuple selection
- Projection - extract columns
- Cartesian product - cross product of relations
- Set union - union of two relations
- Set difference - minus operation on two relations
As we can see, Join is not part of the basic set operations but it is implemented using the Cartesian Product operator.
Comment<span> (computer programming) ... In computer programming, a </span>comment<span> is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.</span>
Answer:
c.
Explanation:
Of the following, the greatest advantage of a database architecture is that data redundancy can be reduced. This refers to data being unintentionally repeated within the database causing space to be taken up unnecessarily. Database architecture allows for this problem to be addressed and prevented.
