"Union­compatible" Means That the

question 26

Multiple Choice

"Union­compatible" means that the .

• A)names of the relation attributes can be different,but the data types must be alike
• B)names of the relation attributes must be the same,but the data types can be different
• C)names of the relation attributes must be the same and their data types must be alike
• D)number of attributes must be the same,but the names and data types can be different

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Definitions:

Household Incomes

The combined gross income of all members of a household who are 15 years old or older, including wages, salaries, pensions, and other sources.

SES

Social Economic Status; a measure of an individual's or group's economic and sociological standing, often based on income, education, and occupation.

IQ Scores

Numerical measurements derived from standardized tests designed to assess human intelligence.

Significant Correlation

A statistics term indicating a strong association between two variables, suggesting that when one changes, the other is likely to change in a predictable way.