Database Management System Practice Test 45

Query Trees Notations Quiz Questions and Answers PDF - 45

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Query Trees Notations Questions and Answers PDF Download: Quiz 45

MCQ 221: In the notation for query trees, the node which is used to terminate the execution is classified as

A) attribute nodes

B) leaf nodes

C) stem nodes

D) root nodes

MCQ 222: The technique used in DBMS to store all the related objects in the mixed file is classified as

A) ternary clustering

B) secondary clustering

C) physical clustering

D) primary clustering

MCQ 223: In database management system, the module which support handling of data search, data access and data storage is classified as

A) structural module

B) logical module

C) client module

D) server module

MCQ 224: The person who implements the specifications of the database programs is considered as

A) software engineers

B) application programmers

C) software developers

D) all of above

MCQ 225: The problem arises because of incompatibility between data structures of programming language and database management structures is called

A) structural dependency problem

B) logical redundancy problem

C) structural specification problem

D) impedance mismatch problem

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