Data independence means

Data is defined separately and not included in programs

Programs are not dependent on the physical attributes of data.

Programs are not dependent on the logical attributes of data

Database processing programs:

Call the DBMS to access the stored data

Cannot be used more than on process

Require at least one didacated workstation

Present problems with sorage space

Stringent real-time requirements

Multiple users wish to access the data

Complex relationships among data

Quiz

Arjun Prabhune 3 perguntas

Fazer o quiz

1
Data independence means
1. AData is defined separately and not included in programs
2. BPrograms are not dependent on the physical attributes of data.
3. CPrograms are not dependent on the logical attributes of data
4. DBoth (B) and (C)
2Database processing programs:
1. ACall the DBMS to access the stored data
2. BCannot be used more than on process
3. CRequire at least one didacated workstation
4. DPresent problems with sorage space
3It is better to use files than a DBMS when there are
1. AStringent real-time requirements
2. BMultiple users wish to access the data
3. CComplex relationships among data
4. DAll of the above