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Let R (A, B, C) be a relation schema. What happens if we execute the following query? SELECT* FROM R WHERE A=D; Select one:
Let R (A, B, C) be a relation schema. What happens if we execute the following query? SELECT* FROM R WHERE A=D; Select one: a. The query executes successfully but returns no tuples. b. We get an error. c. The query returns all the tuples in R.
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
