Answer the following statements true (T) or false (F)
1. Given a relative record number, it is possible to compute a physical disk address.
2. Accessing data directly involves little more than counting.
3. Redundant data are difficult to maintain.
4. When a program’s logic is tied to its physical data structure, changing that structure
rarely requires changing the program.
5. A key part of the solution to both the data redundancy and data dependency problems is
organizing the data as a single, integrated database.
1. True
2. False
3. True
4. False
5. True
You might also like to view...
In a calculated control, the selected field names are surrounded by:
A) double quotes. B) braces. C) square brackets. D) single quotes.
Checking user input data for erroneous or unreasonable data is referred to as ____.
a. relational data validation b. arithmetic data validation c. output data validation d. input data validation