Answer:
The correct answer is <u>mainframe</u>
I hope this helps! ^-^
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.
Answer:
storyboard!!!
Explanation:
its important to have the concept in mind before starting
Answer:
Create two classes, PlayingCard and Main, as depicted in the attachments.
Explanation:
The getters/setters are not actually used in this code, but creating them is pretty standard. Although, you could argue that a PlayingCard object should never change value/suit, and is what it is as long as it exists. Such objects would be called "immutable".