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Exam 11: Databases

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Question 1

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

A) True
B) False

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Question 2

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

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

Differentiate between the individual database and the company database.

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

Relational database tables require a common data item.

A _______ is a collection of related records.

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

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

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

What are the advantages of having databases?

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

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

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.

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.

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

Explain the components of data organization.

Explain commercial databases and provide examples.