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A(n)____________________ column is a column that does not exist in the database but can be computed using data in the existing columns.
Q15: The system catalog is also called the
Q20: Define a relation.
Q23: _ is the main unit of measurement
Q27: To make the same update for all
Q30: _ processing is particularly common on mainframe
Q41: Which of the following commands deletes an
Q48: The Alexamara Marina Group database uses two
Q51: In MySQL, use the _ command to
Q61: A relation is in _ if it
Q76: When undertaking any LAN or WAN design