Exam 5: Database Processing

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Normalized tables are faster to process than denormalized tables.

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In order to find the data one is looking for in a DBMS, one has to type in the keyword into a query form.

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A database application is a collection of forms, reports, queries, and application programs that process a database.

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A student management system allows students to have multiple majors and advisers are assigned to handle multiple students and courses.This is an example of a(n)________ relationship.

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

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Metadata are ________.

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What is the purpose of a database?

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Relational databases represent relationships using ________.

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Facebook developed a nonrelational data store called Bigtable.

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Google developed a nonrelational data store called Dynamo.

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

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Most organizations develop their own DBMS software in order to obtain control over data.

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The lost-update problem can be resolved by implementing multi-user database processing.

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The rows in a database need to have two or more primary keys.

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The easiest time to change the database structure is immediately before the data modeling stage.

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Which of the following data elements is placed higher than records in the data hierarchy?

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A ________ describes the data and relationships that will be stored in a database.

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________ is an example of a personal DBMS.

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Which of the following formations on a line in an E-R diagram means that the relationship need not have an entity of that type?

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________ forms are used to read, insert, modify, and delete data.

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