A(n) ______________________ data model contains only entities and relationships, but no attributes.
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Q153: _ is a technique where the attributes
Q154: A _ is an entity whose instances
Q155: A _ is an entity whose instances
Q156: Another name for an alternate key is
Q157: A _ is an attribute (or concatenated
Q159: _ is data about the business's data.
Q160: _ codes assign sequentially generated numbers to
Q161: _ codes assign numbers that have been
Q162: _ codes use finite combinations of letters
Q163: In _ codes , each digit or
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