In ordinary arithmetic there are two special numbers, I and 0, with the properties that n *

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In ordinary arithmetic there are two special numbers, I and 0, with the properties that n * 1 = 1 * n = n
And n * 0 = 0 * n = 0 for all number n. What relations (if any) play analogous roles in the relational algebra? Investigate the effect of the algebraic operations discussed in this chapter on those relations.
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Federal Taxation 2016 Comprehensive

ISBN: 9780134104379

29th Edition

Authors: Thomas R. Pope, Timothy J. Rupert, Kenneth E. Anderson

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