A computer file contains several records. What does each record contain?
bytes
words
fields
programs
A good query system:
can accept English language commands
allows non programmers to access information stored in a database
can be accessed only by data processing professionals
both (a) and (b)
Updating a database means
modifying or adding record occurrence
revising the file structure
recognizing the database
all of the above
The distingushable part of a record are called:
files
data
formats
A number of related records that are treated as a unit is called:
file
field
batch
Data entry option technique are particularly useful for
reducing storage space requirements
improving data integrity
protecting data in data communication system
