Ch.11 End of Chapter Review

A query is used to extract a subset of data form a database

true

when is it sufficient to use a list to organize data?

when the data is simple and can be organized in one table

Which of the following data mining techniques is used to determine which data goes together

affinity grouping

Data captured as users navigate through a website is called

clickstream data

unnecessary duplication of data in a database Is referred to as

data redundancy

Which of the following is NOT considered metadata?

database name

A field labeled PHONE that accepts data such a (610) 555-1212 would use the Number data type

false

A multidimensional database uses two dimensions in which to organize data

false

A small slice of data warehouse is called a data mine

false

Data warehouses capture data only from one time period

false

Which of the following is used to creat a temporary subset of data that matches certain criteria

filter

A process to ensure that data in a database is organized most efficiently is called

normalization

The type of database that would be best to store and organize video clips and pictures is which of the following

object-oriented database

A customer information table linked to an orders table in a business database reflects which type of relationship?

one-to-many

Which of the following is a method of inputting data into a transaction-priocessing system while the transaction is taking place

real-time processing