Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Four Six Three Two Four Six 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 An intersection table is required to represent M:N relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NULL. NOT NULL. Either of the above can be used. None of these NULL. NOT NULL. Either of the above can be used. None of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: either table without specifying parent and child tables. either the parent table or the child table. the child table. the parent table. either table without specifying parent and child tables. either the parent table or the child table. the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
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