Database Management System MCQs - Chapter 14

Schema Definition, Constraints, Queries and Views Multiple Choice Questions (MCQ Quiz) PDF - 1

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Database Management System: Schema Definition, Constraints, Queries & Views MCQs Questions PDF Download

MCQ: In Standard Query Language, the types of DROP commands include

A) RESTRICT command

B) FOREIGN key command

C) CASCADE command

D) both a and c

MCQ: The constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called

A) language based constraints

B) tuple based constraints

C) scale based constraints

D) precision based constraints

MCQ: In the SQL environment, the collection of schemas is classified as

A) value set

B) catalog

C) initiator

D) integration

MCQ: The data type which can be fixed length or varying length as CHAR(n) and VARCHAR(n) respectively is classified as

A) ternary string

B) binary string

C) schema string

D) character-string

MCQ: When the schema is to be dropped in SQL which has no elements then the type of DROP Command used is called

A) SCALE DROP command

B) PRECISION DROP command

C) RESTRICT DROP schema

D) CASCADE DROP command

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