Database Systems Practice Test 130

Structure of Relational Model MCQ (Multiple Choice Questions) PDF - 130

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Structure of Relational Model Questions and Answers PDF Download: Quiz 130

MCQ 646: In the relational model, the column of the table is known to be

A) Entity field

B) Attribute

C) Tuple

D) Relation

MCQ 647: The schema that can be changed easily without affecting application programs, is

A) Logical schema

B) Physical schema

C) Subschema

D) Model schema

MCQ 648: SQL is a

A) Procedural language

B) Nonprocedural language

C) Structured language

D) Nanostructured language

MCQ 649: The term that provides a way to describe the design of a database at the levels of abstraction, is known as

A) Data Binding

B) Data models

C) Data organization

D) Data schemas

MCQ 650: The operation that operates on two relations and produces a relation as the result, is known to be

A) Merging

B) Syncing

C) Joining

D) Combining

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