list the drawbacks of relational database systema
List the drawbacks of relational database system
A) Repetition of data
B) Inability to s certain information.
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calculation of material removal ratemrr wi - wf times 1000 78 times t 1wi initial weight of work piecewf final weight of work piecet period of
explain gear formingin gear form cutting cutting edge of the cutting tool has a shape similar with the shape of the space among the gear teeth two
what does authentication referauthentication refers to the task of verifying the uniqueness of a
define boyce codd normal forma relation schema r is in bcnf with respect to a set f of functional dependencies if for all functional dependencies in
list the drawbacks of relational database systema repetition of datab inability to s certain
define rack cutter generating processthe rack cutter generating process is also called shaping process in this method the generating cutter has the
what is first normal formthe domain of attribute must contain only atomic simple indivisible
explain the advantages of rack cuttera a single cutter of any specific pitch can cut gears of any number of teeth having similar pitchb the tooth
what is meant by functional dependenciesconsider a relation schema r and alpha c r and beta c r the functional dependency alpha -gtbeta holds on
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