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Recent questions tagged general-doubt

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General Doubt: Databases - Joins
A system where commutativity is considered different, in how many ways the join of n relations r1,r2, . . . ,rn can be taken?
A system where commutativity is considered different, in how many ways the join of n relations r1,r2, . . . ,rn canbe taken?
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General Doubt
what should i study from standard books? is it sufficient to solve the examples or should i study all the theory part and do all the exercises?
what should i study from standard books?is it sufficient to solve the examples or should i study all the theory part and do all the exercises?
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