Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. a foreign key any alternate key a surrogate key the primary key a foreign key any alternate key a surrogate key the primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Surrogate keys have much meaning for users. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key A surrogate key An alternate key A foreign key A primary key A surrogate key An alternate key A foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Archetype/instance relationships only Association relationships only Multivalued attributes only All of these Archetype/instance relationships only Association relationships only Multivalued attributes only All of these ANSWER DOWNLOAD EXAMIANS APP
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