Exam 4: Database Processing

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Metadata refers to entities of a database that users want to process.

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Each entity in a database has a unique attribute called a(n)________.

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Managing the impact of database structure changes on applications and users is an operational task for a database administrator.

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To modify an existing table,a developer can open the metadata form for that table and add a new row of metadata.

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NoSQL means nonrelational databases that support very high transaction rates processing relatively simple data structures,replicated on many servers in the cloud.

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Developers generally construct a logical representation of database data,called a data model,after building a database.

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Constraints on the number of entities in a relationship are called ________ cardinalities.

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Normalized tables are faster to process than tables that haven't been normalized.

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A database is best described as a collection of unrelated tables.

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Entities in a data model have ________ that describe the characteristics of the entity.

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Normalization is the process of combining two or more tables into a single table.

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What are the steps involved in transforming a data model into a relational database design?

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Describe entities in the context of data models.

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Which of the following is the smallest data element in a database?

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Which of the following is an example of a database management system?

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Metadata are ________.

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Each table in a database must have two or more primary keys.

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The accuracy of a database design is independent of the corresponding data model.

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Brad,a project manager,wants to build a database to integrate information about employees and tasks that they handle.Brad wants to track information such as task name,percentage completed,and employee name.These aspects that Brad wants to track are called ________.

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Reports refer to the structured presentation of data using sorting,grouping,filtering,and other operations.

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