Pure database data are valuable, but they are not pertinent or useful in raw form.
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Q29: A single database can have only one
Q30: Unified Modeling Language (UML)is the most commonly
Q31: An identifier is an attribute (or group
Q32: An entity is something that the users
Q33: Access is both a DBMS and an
Q36: Attributes describe the characteristics of an entity.
Q37: When there are same number of entities
Q38: A single-user database cannot be converted to
Q39: The crow's-foot notation can show the maximum
Q46: In a data model,entities always represent physical
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