Principles of IT Ch. 16 Understanding Databases

Within a database's data structure, the data type determines the order in which the fields will appear in each record.

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Many database programs have pre-designed data structures that you can customize.

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Generally, a database is used only by the person who created it and not by anyone else.

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A prompt caption is a message that appears on-screen to help the person entering data understand the content of a field.

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Because databases can become very large and complex, you cannot change the data structure once it has been saved.

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In a database, if a number cannot be used in a calculation, it is considered text.

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A database can automatically assign a number to each record, which might be used as an identification number.

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Because databases are computerized, they do not need to be maintained.

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Batch processing and transactional processing are methods for updating the data in a database.

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In transactional processing, the database is updated as events take place.

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