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The correct answer is D
Which operation in relational algebra is used to create a new relation that includes all the rows from two given relations?
Defines the number of entities in one entity set, which can be associated with the number of entities of other set via relationship set.
When applying KVL to a circuit, how are voltage drops represented?
Which of the following are the layers of a data warehouse?
In which network topology is the failure of a single node least likely to disrupt the entire network?
POSIX is an acronym for ?
Which of these signifies Not a value?
Which component of an ER diagram represents an entity?
Which command is used to sort the lines of a file in a Unix/Linux system?
Which protocol is used for secure data transmission over the internet?
