Q. Which of the following is the oldest database model?

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Q. Which of the following indicates the maximum number of entities that can be involved in a relationship?

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Q. Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?

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Q. In a 1:N relationship, the foreign key is placed in:

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Q. Which of the following column properties specifies whether or not cells in a column must contain a data value?

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Q. A primary key should be defined as:

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Q. Which of the following column properties would be used to specify that cells in a column must contain a monetary value?

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Q. If a denormalization situation exists with a one-to-one binary relationship, which of the following is true?

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Q. Selecting a data type involves which of the following?

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Q. What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

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Q. A multidimensional database model is used most often in which of the following models?

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Q. Which of the following is not a factor to consider when switching from small to large block size?

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Q. The view of total database content is

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Q. Architecture of the database can be viewed as

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Q. In the architecture of a database system external level is the

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Q. In a Hierarchical model records are organized as

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Q. A logical schema

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Q. Conceptual design

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Q. A subschema expresses

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Q. SET concept is used in :

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