129. The type of data independence in which the schema can be altered on conceptual level without altering external level is classified as a. conceptual level independence b. external level...

























129.The type of data independence in which the schema can be altered on conceptual level without altering external level is classified as
a.conceptual level independence
b.external level independence
c.logical data independence
d.physical data independence


Jun 07, 2022
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