For the RE (a b'), which of the following is an acceptable string? O a (A, a, b, bb, ab,.) Ob All are accepted Oc (A, a, b, bb, bbb,...) Od (A, a, aa, b, bb ,.)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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For the RE (a b'), which of the following is an acceptable string?
O a (A, a, b, bb, ab,.)
Ob All are accepted
Oc (A, a, b, bb, bbb,...)
O d (A, a, aa, b, bb .)
Transcribed Image Text:For the RE (a b'), which of the following is an acceptable string? O a (A, a, b, bb, ab,.) Ob All are accepted Oc (A, a, b, bb, bbb,...) O d (A, a, aa, b, bb .)
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