Question Detail In order to use a DBMS, it is important to understand the physical schemaall subschemasone sub schemanone of above Answer: Option C Similar Questions : 1. The logical structure with one to many relationships is a networktreechainrelational Answer: Option B 2. Natural join can be related with Function dependencyB treeDomain calculusRelational algebric operators Answer: Option D 3. The master list of an indexed file is sorted in ascending ordercontains only a list of keys and record numbershas a number assigned to each record none of above Answer: Option C 4. Transaction processing was made possible by the development of direct access storagemagnetic tapecash register inputminicomputers Answer: Option A 5. Which is not a logical database structure ChainTreeRelationalNetwork Answer: Option A Read more from - Database Question Answers - Chapter 1