WGU C170 - DATA MANAGEMENT APPLICATIONS STUDY GUIDE
AREA - correct answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - correct answer See composite entity. bridge entity - correct answer See composite entity. candidate key - correct answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - correct answer A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - correct answer An entity designed to transform an M:N relationship into two 1:M relationships. The composite entity's primary key comprises at least the primary keys of the entities that it connects. Also known as a bridge entity or associative entity. See also linking table.
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- WGU C170 - DATA MANAGEMENT APPLICATIONS
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- WGU C170 - DATA MANAGEMENT APPLICATIONS
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- Subido en
- 10 de febrero de 2024
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- 2023/2024
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wgu c170 data management applications
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