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Conceptual Data Models Multiple Choice Questions p. 41

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Conceptual Data Models Questions and Answers MCQs

MCQ: In the commercial database management system, the relational database model is also known as

implementation data model
attribution data model
sequential data model
functional data model

MCQ: In Standard Query Language, the data types included are

character string
time stamp
all of above

MCQ: The characteristic of database management system which allows the program operation independence and program data independence is classified as

conceptual abstraction
implementation abstraction
data abstraction
interface abstraction

MCQ: In the modeling of union type classes, the total category of super class is represented by

triple line
double line
single line
inverted comma

MCQ: The variable in DBMS used to communicate error conditions between database management system and program are

both b and c