Data Models into Database Designs For every relationship, there are six possible referential integrity actions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Intersection tables are ID-dependent on both their parent tables. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: 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. the parent table. the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: Either of the above can be used. NOT NULL. NULL. None of these Either of the above can be used. NOT NULL. NULL. None of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They have meaning to the user. They are numeric. They are short. They are fixed. They have meaning to the user. They are numeric. They are short. They are fixed. 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. any alternate key the primary key a surrogate key a foreign key any alternate key the primary key a surrogate key a foreign key ANSWER DOWNLOAD EXAMIANS APP
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