View of Data Quiz Questions and Answers PDF Download eBook p. 277
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"A collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraints, is known as", view of data Multiple Choice Questions (MCQ) with choices data binding, data organization, data schemas, and data models for online master computer science. Learn introduction to dbms questions and answers with free online certification courses for computer software engineer online degree.
Quiz on View of Data PDF Download eBook
MCQ: A collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraints, is known as
- Data organization
- Data Binding
- Data schemas
- Data models
D
MCQ: SQL includes a Boolean function for testing whether a subquery has
- Unique tuples
- Duplicate tuples
- Tuples
- Empty tuples
B
MCQ: For handling, null values are
- Easy
- Difficult
- Complex
- Preferable
B
MCQ: The command for deleting the instructor relation having salary range $13,000 and $15,000
- delete about instructor
where salary between 13000 and 15000; - delete from instructor
where salary between 13000 and 15000; - delete from instructor
where salary Like 13000 and 15000; - delete about instructor where salary Like 13000 and 15000;
B
MCQ: The cost estimate for the A5 search is same to that for the case
- A1
- A2
- A3
- A4
C