Exam 5: Database Processing

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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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In an entity-relationship (E-R) diagram, an entity is represented by a triangle, and the relationships between entities are represented by dotted lines.

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Relational databases represent relationships using ________.

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A group of similar rows or records in a table is called a field.

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

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Database applications must present data to the users in the same format as the database table.

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

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A DBMS and database are synonymous terms that can be used interchangeably.

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________ in an E-R diagram refer to the least number of entities required in a relationship.

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A ________ is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data.

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Define primary key, foreign key, and metadata.

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________ is the process of converting a poorly-structured table into two or more well-structured tables.

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Locking must be used to coordinate the activities of users in order to prevent the lost-update problem.

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Browser-based applications are more dynamic and better suited in today's world than older database applications.

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Brenda, the sales manager of a firm, wants to generate a particular report containing sales analyses of the second and third quarter of the year. She should use a ________ to obtain the information that she wants from the database.

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The format of metadata depends on the software product that processes the database.

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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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What is a database application?

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Which of the following notations in an E-R diagram means that the entity is optional and a relationship need not have an entity of that type?

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Identify the first step in transforming a data model into a relational database design.

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