Q:Question:Schema R has {F} as primary key Schema T has {F, J} as primary key and {F} as foreign key to R{F} Which statements are correct... 1. insert into T values ('f1', ' x ', 7 ) violates some constraint 2. update R set ????= 'f4' where ????= 'f2' violates a foreign key constraint if the foreign key of T is declared with cascading updates 3. delete from ???? where K=4 does not violate a foreign key constraint 4. Insert into R values ('f2', 'b', 'a')A:Answer:hi the required answers is given below in case of ...