Exam 5: Database Processing

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A database is a self-describing collection of integrated records.

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An identifier is an attribute or a group of attributes whose value is associated with one, and only one, entity instance.

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________ are the final judges as to what data the database should contain and how the records in that database should be related to one another.

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Which of the following is true of N:M relationships?

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Albert creates a relational database to store employee performance statistics.He stores each employee's data in independent rows and creates a column named "Employee Number" to assign unique numbers to each employee.This column is referred to as a(n)________.

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Which of the following is a nonrelational data store developed by Facebook?

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Which of the following database administration tasks is related to adaptation?

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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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A data integrity problem will occur only if ________.

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A drawback of DBMS programs is that they do not provide comprehensive and robust features for querying database data.

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Which of the following is a nonrelational data store developed by Google?

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MySQL is an open source DBMS product which is license-free for most database applications.

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Which of the following types of DBMS products is designed for smaller and simpler database applications?

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A key is a column or group of columns that identifies a unique row in a table.

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A(n)________ is a program used to create, process, and administer a database.

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Minimum cardinalities are a measure of the constraints on the number of entities required in a relationship.

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A(n)________ DBMS is designed to process large organizational and workgroup databases.

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Microsoft Access is both a DBMS and an application development product.

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The small oval on a line in an E-R diagram means that the entity is optional.

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The columns in a database are called ________.

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