In preparing a DFD, when data are transformed through a process, the symbol used should be
. Question 16.
When the human resources manager wants to gather data about vacation and personal day usage by employees and by departments, the manager would use which language?
. Question 17.
The potential inconsistency that could occur when there are multiple occurrences of a specific data item in a database is called the
. Question 18.
The schema that provides an organization-wide view of the entire database is known as the
. Question 19.
The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the
. Question 20.
In a relational database, requiring that every record in a table have a unique identifier is called the
. Question 21.
Which of the following is an opportunity that could contribute to employee fraud?
. Question 22.