Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key A foreign key An alternate key A surrogate key A primary key A foreign key An alternate key A surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: 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. either table without specifying parent and child tables. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. 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 NOT MUST COVER None of these Both of the above MUST NOT MUST COVER None of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. True False True False ANSWER DOWNLOAD EXAMIANS APP
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