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What is tuple variables in dbms?
TUPLE : Is the "ROW" in a table
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Why duplicate tuples are not allowed in DBMS?
Since relation is a set, and tuples are element of a set, according to set theory, the elements of a set are not ordered.
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What is the dbm?
dBm is decibel power unit referenced to 1 milliwatt.Look at the related links for conversion: voltage to dBm, dBu, and dBV.
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What is a DBMS?
DataBase Management System (DBMS) is a software package that allows data to be effectively stored, retrieved and manipulated and the data stored in a DBMS packege can be accessed by multiple users...
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What is a dBm?
it is the power ratio in decibelsNo, it isn't. dB on its own is a ratio.But when dB has a suffix, the figure is an absolute measurement, not a ratio. For instance, dBm is a measurement of power...