Database Management System MCQs - Chapter 14

Schema Definition, Constraints, Queries and Views Multiple Choice Questions (MCQ) PDF - 4

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Schema Definition, Constraints, Queries & Views Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: In SQL, the identifier which are used to indicate the user of schema is classified as

A) high level identifiers

B) low level identifiers

C) authorization identifier

D) query identifier

MCQ 17: If the explicit value of attributes is not provided in SQL then the value included in new tuple in such situation is called

A) sampled statement

B) decimal value

C) notation statement

D) default value

MCQ 18: The command used in SQL which deletes the table definition as well as all the records available in the table is called

A) DELETE command

B) DROP TABLE command

C) PRIMARY KEY command

D) SECONDARY KEY command

MCQ 19: The command used in SQL to specify new relation, its initial constraints and attributes is classified as

A) CREATE TABLE

B) CREATE IDENTIFIER

C) CREATE CATALOG

D) CREATE SCHEMAS

MCQ 20: In the TIMESTAMP data type, the relative value which is used to decrease or increase absolute value of time stamp is classified as

A) nest position

B) interval

C) decimal

D) notation

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