Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. 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. the primary key a foreign key any alternate key a surrogate key the primary key a foreign key any alternate key a surrogate 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 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 An ideal primary key is short, numeric and seldom changing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST COVER None of these MUST NOT Both of the above MUST COVER None of these MUST NOT Both of the above ANSWER DOWNLOAD EXAMIANS APP
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