The Union Soup Kitchen is a non-profit organization that collects,
stores, prepares and provides food to the homeless in Erie,
Pennsylvania. Donations of food are recorded in a database and a
receipt is provided to the donor. When food is used, the database is
updated so that it always reflects the amounts and types of food that
are available. In a data flow diagram, which type of symbol would be
used to represent the flow of data from the donor into the system?
. Question 12 .
A flowchart that depicts the relationships among the input,
processing, and output of an AIS is
. Question 13 .
In a data flow diagram of the customer payment process, "Customer
payment" will appear above or in
. Question 14 .
In general, a data destination will be shown by
. Question 15 .
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 .