Chapter 11 TIA

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

database

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 ________.

redundancy

Data ________ means that the data contained in a database is accurate and reliable.

integrity

Data ________ helps to ensure data integrity by maintaining information in only one place.

centralization

In a database, the term ________ is synonymous with a category of information.

field

In a database, a group of related records is referred to as a(n) ________.

table

In a Microsoft Access database, something like the Gettysburg Address would be stored in a(n) ________ field.

long text

You can set a ________, which is automatically displayed in a field unless the user enters something different.

default value

Which of the following is a likely primary key in a student information record?

student id number

________ is used to ensure that data is organized most efficiently in a database.

normalization

________ databases are the most commonly used electronic databases.

relational

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

one-to-one

________ means that for each value in the foreign key of one table, there is a corresponding value in the primary key of another table.

Referential integrity

Nontraditional data in object-oriented databases such as audio clips, video clips, pictures, and very large documents are called ________ data.

unstructured

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

cube

A ________ check would be used in a field to restrict the fines for speeding violations so that they fall between $50 and $250.

range

A(n) ________ check determines whether a required field such as LastName was filled in.

completeness

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

consistency

You would use a ________ in a database to temporarily display records of residents for the city of Boston.

filter

A(n) ________ is a way of retrieving information from one or more tables that defines a particular subset of data.

query

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

select query

SQL uses ________ to extract records from a database by using English-like expressions that have variables and operations.

relational algebra

________ involves taking data from your database and putting it into an electronic file in a format that another external application or database can recognize.

Exporting

A data ________ is a large-scale collection of data that contains and organizes all of an organization’s data in one place.

warehouse

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

mining the data

Big data analytics is usually associated with ________ services.

data warehouse

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.

real-time

Management information systems (MIS) provide reports called ________ reports, which show conditions that are unusual or need attention from users of the system.

exception

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

natural language processing (NLP) system

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

Artificial intelligence

Data redundancy ensures that the data contained in the database is accurate and reliable.

F

Small slices of a data mart are called data warehouses.

F

A group of related records is called a table.

T

In an employee database, an employee’s ID number, last name, first name, company position, address, city, state, and Zip Code make up a record.

T

When using Access, the text of the Declaration of Independence would be stored in a short text field.

F

Employees’ last names would usually make an appropriate primary key field.

F

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

F

In a relational database, when two tables have a common field, the link between the tables is known as a hyperlink.

F

A database schema defines the name, data type, and length of each field in the database.

T

A last name field is an example of a field that should have a default value.

F

Most databases can import electronic data from other software applications.

T

A filter is limited to extracting data from a single table.

T

The information in a data mart spans an entire enterprise.

F

Real-time processing means that transactions are updated when they occur.

T

A summary report generated by a MIS provides a list of the transactions that occurred during a specified time period.

F

Data mining analyzes and investigates large amounts of data with the intention of discovering significant patterns or trends.

T