Exam 11: Behind the Scenes: Databases and Information Systems

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A ________ displays a subset of data from a table (or tables) based on the specified criteria.

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A ________ is a collection of related data that can be stored, sorted, organized, and queried.

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Siri, the personal assistant application on Apple's iPhone is an example of a ________.

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To temporarily display records from a single table that match certain criteria, you would use a(n) ________.

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A database that allows data to be maintained in a single location provides data ________.

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Normalization means that there are no data entry errors in a database.

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When using SQL, a(n) ________ query is used to extract data from two or more tables.

(Short Answer)
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Match the following data checks to their definition:
numeric
ensures data entered into the database fall within a certain set of values
consistency
confirms that only textual characters are entered into a field
range
confirms that only numbers are entered into a field
Correct Answer:
Verified
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Responses:
numeric
ensures data entered into the database fall within a certain set of values
consistency
confirms that only textual characters are entered into a field
range
confirms that only numbers are entered into a field
completeness
compares values in two or more fields to see whether the values are reasonable
alphabetic
ensures that all required fields have data entered into them
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________ data is information about how users of a company's website move through the web pages.

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A(n) ________ tries to replicate the decision-making processes of human experts to solve specific problems.

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Data staging consists of all of the following steps, EXCEPT ________.

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In a transaction-processing system (TPS), if the TPS database can be queried and updated while the transaction is taking place, this is called ________ processing.

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Small slices of a data mart are called data warehouses.

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A ________ check compares the values of data in two or more fields to see whether those values are reasonable.

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Data in a multidimensional database is organized in a ________ format.

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________ is the branch of computer science that attempts to create computers that think like humans.

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If a school keeps two lists, one for student registration and one for student financial information, both containing name and address information, this is an example of data ________.

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A ________ relationship indicates that for each record in a table, there is only a single corresponding record in a related table.

(Multiple Choice)
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Match each of the following terms to its definition:
data dictionary
organizes data into various tables based on logical groupings
data warehouse
when a database is queried and updated as a transaction is taking place
batch processing
defines the name, data type, and length of each field in a database
Correct Answer:
Verified
Premises:
Responses:
data dictionary
organizes data into various tables based on logical groupings
data warehouse
when a database is queried and updated as a transaction is taking place
batch processing
defines the name, data type, and length of each field in a database
real-time processing
large-scale collection of data
relational database
transaction data that are processed all at once
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A database schema defines the name, data type, and length of each field in the database.

(True/False)
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