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Database Systems Practice Test 394

Additional Basic Operations MCQ (Multiple Choice Questions) PDF - 394

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Additional Basic Operations Questions and Answers PDF Download: Quiz 394

MCQ 1966: The special character % is used to match

A) An alphabet only
B) A number only
C) Substring
D) String

MCQ 1967: A relation schema is a set of attributes, but not all sets of attributes are

A) Schemas
B) Relationship sets
C) Domain
D) Multi-leveled

MCQ 1968: The local date and time without time zone is returned with the method

A) timestamp.current
B) current.timestamp
C) localtimestamp
D) system.localtimestamp

MCQ 1969: The type of constraint that relates to more than one lower-level entity set within a single generalization, is said to be

A) System-defined
B) Condition-defined
C) Data-defined
D) User-defined

MCQ 1970: If the argument subquery contains no duplicate tuples, the unique construct returns

A) TRUE
B) False
C) Unknown
D) Exists

Database Systems Exam Prep Tests

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Additional Basic Operations App (Android & iOS)

Additional Basic Operations App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Semantic Web App (Android & iOS)

Semantic Web App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)