Exam 3: Data Modeling

Which of these would be an example of a "resource" in the REA framework?

The correct order of elements,from smallest to largest,in the data hierarchy is data field,file (table),record,database.

"Protecting privacy" is one of the important goals in data modeling.

Assume that an accounts receivable application contains database tables for customer orders,inventory items,customers,and salespersons.Which of these items would probably be a foreign key in the customer orders table?

In the E-R model,this symbol represents a database entity such as a customer:

Which of these comes closest in structure to that of a hierarchical database?

Edit tests that catch data entry errors are examples of:

The basic unit of information in an accounting information database is a table.

An example of a database cardinality is "one-to-one."

All of the following are items within the data hierarchy except:

All of these are symbols in the E-R model except:

The data field that distinguishes one record from another in a database table is called the primary key.

An example of a "one-to-many" relationship is "students to classes."

Within a database context,the relationship between "president" and "vice president" would most likely be:

The terms "parent record," "child record," and "sibling record" describe the records in a:

The letters "E-R" in the term E-R diagram refers to:

Within a database context,the relationship between "assigned parking space" and "car" would most likely be:

Record keys on computer files are unique only to the extent that they classify computer records by some general category.

Three database concerns when creating large databases are "data integrity," "processing accuracy," and "data security."

Within a database context,the relationship between "general ledger" and "subsidiary ledger" would most likely be: