Management > EXAM > WGU C170 Data Management – Applications (All)
domain Answer- In data modeling, the construct used to organize and describe an attribute's set of possible values superkey Answer- An attribute or attributes that uniquely identify each entity in a... table. Any composite key with this is also this. candidate key Answer- A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey entity integrity Answer- The property of a relational table that guarantees each entity has a unique value in a primary key and that the key has no null values referential integrity Answer- A condition by which a dependent table's foreign key must have either a null entry or a matching entry in the related table data dictionary Answer- A DBMS component that stores metadata. It contains the data definition & their characteristics and relationships; may also include data external to the DBMS system catalog Answer- A detailed system data dictionary that describes all objects in a database homonym Answer- The use of the same name to label different attributes, much like similar-sounding words with different meanings synonym Answer- The use of different names to identify the same obje [Show More]
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