History of Database Systems Practice Test PDF Download eBook p. 321
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Trivia Quiz on History of Database Systems PDF Download eBook
MCQ: Data processing tasks such as payroll were automated, with data stored on
- Units
- Hard disks
- Floppy disks
- Tapes
D
MCQ: Database design mainly involves the design of the database
- Schema
- Tables
- Models
- Queries
A
MCQ: The predicate in the where clause is applied on the result relation of the from clause, if the
- Where clause is present
- Where clause is not present
- Select clause is present
- Select clause is not present
A
MCQ: SQL permits specification to the user about the occurrence of the null values by the
- nulls begin and nulls end
- nulls atomic and nulls end
- nulls first and nulls last
- start nulls and last nulls
C
MCQ: A list of the relations to be accessed in the evaluation of the query, with the clause
- Define clause
- From clause
- Where clause
- Select clause
B