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| 1 . |
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Given the following data: | Tract# | pop. | # households | cars/household | | 1 | 1,000 | 400 | 4 | | 2 | 4,000 | 1,200 | 3 | | 3 | 3,000 | 1,000 | 2 | and the following series of queries: New Set -- cars/household > 2 Select From Set -- # of households > 100 Add To Set -- population > 2,000 Select From Set -- # of households < 1,200 Which tracts are selected?
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| 2 . |
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The values of an attribute for a record:
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| 3 . |
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What is: The ability of a database management system or GIS to get back from computer memory records that were previously stored there?
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| 4 . |
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SQL is:
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| 5 . |
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Pointing to a feature on a map to retrieve its attributes is the same as which operation in a DBMS?:
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| 6 . |
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The part of the DBMS that allows the user to set up a new data base, to specify how many attributes there will be, what the types and lengths or numerical ranges of each attribute will be, and how much editing the user is allowed to do is called the:
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| 7 . |
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Choose the best definition for "database management system (DBMS)":
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| 8 . |
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Which is the correct definition for "data dictionary"?:
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Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
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