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Database Systems Practice Test 175

Database Design Quiz PDF: Questions and Answers - 175

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Database Design Questions and Answers PDF Download: Quiz 175

MCQ 871: The null value indicates that the value

A) Exist
B) Doesn't exist
C) Not known
D) Both B and C

MCQ 872: When the client program makes an ODBC API call, the code in the library communicates with the

A) Server
B) Database
C) Administrator
D) Cloud

MCQ 873: The primary-key specifications are

A) Mandatory
B) Optional
C) Unique
D) Identity node

MCQ 874: For grouping the attributes to form various tables, there are principally

A) 2 ways
B) 3 ways
C) 4 ways
D) No defined way

MCQ 875: A negative value returned for the length field indicates that the value is

A) 1
B) End of list
C) Error
D) Null

Database Systems Exam Prep Tests

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Database Design App (Android & iOS)

Database Design App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)