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Computers and Technology, 03.09.2019 04:10 stuckonquestions
Given table r(a, b,c) and s(c, d,e), which of the following sql statements would find the record(s) with null values on the column c in table r?
a. select * from r, s where r. c = s. c (+); (r left outer join s)
b. select * from r, s where s. c = r. c (+); (r right outer join s)
c. either a. or b.
d. neither a. nor b.
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Given table r(a, b,c) and s(c, d,e), which of the following sql statements would find the record(s)...
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