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. 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? Both of the above MUST COVER MUST NOT None of these Both of the above MUST COVER MUST NOT None of these 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 column properties specifies whether or not cells in a column must contain a data value? Null status Default value Data type Data constraints Null status Default value Data type Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. foreign key main attribute identity key primary key foreign key main attribute identity key primary key ANSWER DOWNLOAD EXAMIANS APP
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