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Conceptual Data Models Questions and Answers PDF Download eBook
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
A
MCQ: In Standard Query Language, the data types included are
- character string
- bit-string
- time stamp
- all of above
D
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
C
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
B
MCQ: The variable in DBMS used to communicate error conditions between database management system and program are
- SQLCODE
- SQLSECTION
- SQLSTATE
- both b and c
D