Tag Archives: constraints

Which four statements are true regarding primary and foreign key constraints and the effect they can

Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.) A. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted B. A table can have only one primary… Read More »

Which four statements are true regarding primary and foreign key constraints and the effect they can

Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.) A. A table can have only one primary key and one foreign key B. Only the primary key can be defined at the column and table level C. The foreign key columns and parent table primary… Read More »

Which four statements are true regarding primary and foreign key constraints and the effect they can

Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.) A. Primary key and foreign key constraints can be defined at both the column and table level B. It is possible for child rows that have a foreign key to remain in the child table at… Read More »