Database Systems Practice Test 363

Embedded SQL Quiz PDF: Questions and Answers - 363

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Embedded SQL Questions and Answers PDF Download: Quiz 363

MCQ 1811: To eliminate the duplication of rows, the query result in SQL uses the statement

Distinct
NO duplicate
Differentiate
Unique

MCQ 1812: An entity is represented by a set of

Models
Values
Samples
Attributes

MCQ 1813: Punched cards were invented by

Richard L.Daft
A.Neilsen
Herman Hollerith
S. Bhaumik

MCQ 1814: SQL statements operate on relations and returns as a result

Tuples
Attribute
Relation
Instance

MCQ 1815: In designing a database schema, we must avoid major pitfalls of type

2 types
3 types
4 types
5 types

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