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 Intersection tables are ID-dependent on both their parent tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Six Four Three Two Six Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True 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 constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? None of these MUST COVER Both of the above MUST NOT None of these MUST COVER Both of the above MUST NOT ANSWER DOWNLOAD EXAMIANS APP
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