Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. a surrogate key the primary key any alternate key a foreign key a surrogate key the primary key any alternate key a foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An ideal primary key is short, numeric and seldom changing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define data types. used to define null status. All of these a column containing the primary key of another table. used to define data types. used to define null status. All of these a column containing the primary key of another table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited. False True False True ANSWER DOWNLOAD EXAMIANS APP
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