Question 57 Based on the cardinality ratio and participation ________ associated with a relationship type, choose either the Foreign Key Design, the Cross Referencing Design or […]

Question 56 An ER Model includes I. An ER diagram portraying entity types II. Attributes for each entity type III. Relationships among entity types. IV. Semantic […]

Question 79 Thomas-write rule is ______. A Two phase locking protocol B Timestamp ordering protocol C One phase locking protocol D Sliding window proto Database-Management-SystemTransactionsUGC NET […]

Question 80 Usage of Preemption and Transaction Rollback prevents ______. A Unauthorised usage of data file B Deadlock situation C Data manipulation D File preemption Database-Management-SystemTransactionsUGC […]