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1. Given R (1,2,3,4,5) and T (a,b,c,d). Find the following: (2 points each) a) n(Rx T) b) n( p(R) d) n(p(p(R))- 2. Write the following
1. Given R (1,2,3,4,5) and T (a,b,c,d). Find the following: (2 points each) a) n(Rx T) b) n( p(R) d) n(p(p(R))- 2. Write the following sets in using a form description: a. The set consisting of the even integers greater than zero. (5 points) b. The set consisting of the following property description: (5 points) (y e N:y is one more than 2k and k E N)
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PostgreSQL Up And Running A Practical Guide To The Advanced Open Source Database
Authors: Regina Obe, Leo Hsu
3rd Edition
1491963417, 978-1491963418
