what is an indexan index is a structure that
What is an index?
An index is a structure that helps to place desired records of a relation quickly, without probing all records.
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define canonical covera canonical cover fc for f is a set of dependencies like f logically implies all dependencies in fc and fc logically shows all
a student calculates the acceleration due to gravity and determine it to be 972 ms2 what is his percent error if the accepted value is 981 ms2 q
what is 2nfa relation schema r is in 2nf if it is in 1nf and every non-prime attribute a in r is fully functionally dependent on primary
q when calculate plancks constant a students calculations produce values of 578 times 10-34 jmiddots and 729 times 10-34 jmiddots if the accepted
what is an indexan index is a structure that helps to place desired records of a relation quickly without probing all
q a twelve-slit strobe disc is rotated at the max stopping frequency for a vibrating object the strobe is rotated at 40 hza evaluate the period of
define query optimizationquery optimization refers to the process of search the lowest -cost method of evaluating a given
what are called jukebox systemsjukebox systems have a few drives and numerous disks that can be loaded into single of the drives
what are the types of storage devicesprimary storagesecondary storagetertiary storagevolatile storagenonvolatile
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