View of Data Quiz Questions and Answers PDF Download eBook p. 409
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Quiz on View of Data PDF Download eBook
MCQ: Data model that permits the specification of data where individual data items of same type may have different sets of attributes, is known as
- Relational Model
- Entity relationship model
- Object-based Data model
- Semi-structured data model
D
MCQ: The architecture layer of the application that provides a high-level view of data and actions on data is known as
- Business-logic layer
- View-logic layer
- Domain-logic layer
- Data-logic layer
A
MCQ: The various copies of the same data may no longer agree, is the process known as
- Data redundancy
- Data Isolation
- Data Duplication
- Data Inconsistency
D
MCQ: The database system stores the query expression associated with the
- View
- View definition
- View relation
- View schema
C
MCQ: A special value that signifies that the value is unknown or does not exist, is said to be
- Null
- Unknown
- Known
- 0
A