Database-Management-System Archives - Page 116 of 158

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anand raudra

August 29, 2024

Database-Management-System

Question 633 Specialization is a __________ process. A Top – down B Bottom – up C Both (A) and (B) D None of the above Database-Management-SystemER-ModelUGC […]

August 29, 2024

Database-Management-System

Question 656 The E-R model is expressed in terms of : (i) Entities (ii) The relationship among entities (iii) The attributes of the entities Then A […]

August 29, 2024

Database-Management-System

Question 636 For a weak entity set to be meaningful, it must be associated with another entity set in combination with some of their attribute values, […]

August 29, 2024

Transactions

Question 44 Which of the following concurrency protocol ensures both conflict serializability and freedom from deadlock? (a) Z-Phase Locking (b) Timestamp ordering A Both (a) and […]