Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Archetype/instance relationships only Multivalued attributes only All of these Association relationships only Archetype/instance relationships only Multivalued attributes only All of these Association relationships only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Six Three Four Two Six Three Four Two ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table? A range constraint A domain constraint An intrarelation constraint An interrelation constraint A range constraint A domain constraint An intrarelation constraint An interrelation constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: Either of the above can be used. NOT NULL. None of these NULL. Either of the above can be used. NOT NULL. None of these NULL. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time. True False True False ANSWER DOWNLOAD EXAMIANS APP
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