Exam 11: Databases

Which of the following is not an advantage of using a database?

In this type of database, the data and the DBMS are stored either on the user's hard-disk drive or on a LAN file server.

Data _______ ensures that there aren't multiple sources of the same data.

In a _______ database, not all the data in a database is physically located in one place.

Relational database tables require a common data item.

Explain the components of data organization.

A _______ is a collection of related records.

The ATM works on the principle of real-time processing.

In the _______ database, data elements are stored in different tables, each of which consists of rows and columns.

A(n) _______ database, is a collection of integrated files primarily used by just one person.

In a network database, a node can be traced down through different branches.

Explain commercial databases and provide examples.

In this database model, the fields or records are structured in nodes.

Typically, one of the duties of a database administrator is to interact with the data administration subsystem.

What are the advantages of having databases?

Differentiate between the individual database and the company database.

In a network database, a node may be reached through more than one path with the help of _______.

In an object-oriented database, attributes are specific instances of a class that can contain both data and instructions to manipulate the data.

These databases store not only data but also instructions to manipulate the data.

In _______, data is processed at the same time the transaction occurs.