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Craig Is Working in a Database That Stores Homes for Sale

question 57

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Craig is working in a database that stores homes for sale for a Realtor. The database contains a table called HomeListings which contains a field called ListingDate that holds the date that a home was listed. Craig is designing a query that will identify houses on the market for less than 30 days as new listings, and houses on the market 30 days or more as old listings. This information will be included in a query column called ListingAge. Which of the following expressions will achieve these results:


Definitions:

Seligman

Martin E.P. Seligman, a psychologist known for his work on learned helplessness and for promoting positive psychology.

Expectancy

A mental representation of event contingencies.

Causal Attribution

The process of inferring causes for observed behavior, often relating to how individuals explain their own or others' behaviors.

Seligman

Refers to Martin E. P. Seligman, a psychologist known for his work on learned helplessness, positive psychology, and wellbeing.

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