Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: either table without specifying parent and child tables. the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. the parent table. the child table. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key A primary key An alternate key A foreign key A surrogate key A primary key An alternate key A foreign 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 An ideal primary key is short, numeric and seldom changing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. True False True False ANSWER DOWNLOAD EXAMIANS APP
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