We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .

Database Processing for BIS
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .

lift

the basic probability

support

confidence

lift

the basic probability

support

confidence

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Database Processing for BIS
Which of the following is not a component of a data warehouse?

Data metadata

Data extraction/cleaning/preparation programs

Data warehouse data

None of these

Data metadata

Data extraction/cleaning/preparation programs

Data warehouse data

None of these

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Database Processing for BIS
We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .

dirty data

non-integrated data

inconsistent data

a "wrong format" problem

dirty data

non-integrated data

inconsistent data

a "wrong format" problem

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Database Processing for BIS
The data warehouse DBMS needs to be the same DBMS used for the operational database.

True

False

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Database Processing for BIS
Which of the following is not a reason that operational data are difficult to read?

Non-duplicated data

Dirty data

Missing values

Non-integrated data

Non-duplicated data

Dirty data

Missing values

Non-integrated data

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Database Processing for BIS
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.

True

False

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Database Processing for BIS

Database Processing for BIS We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .

Database Processing for BIS Which of the following is not a component of a data warehouse?

Database Processing for BIS We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .

Database Processing for BIS The data warehouse DBMS needs to be the same DBMS used for the operational database.

Database Processing for BIS Which of the following is not a reason that operational data are difficult to read?

Database Processing for BIS Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.

Database Processing for BIS
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .

Database Processing for BIS
Which of the following is not a component of a data warehouse?

Database Processing for BIS
We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .

Database Processing for BIS
The data warehouse DBMS needs to be the same DBMS used for the operational database.

Database Processing for BIS
Which of the following is not a reason that operational data are difficult to read?

Database Processing for BIS
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.