Consider three relations: R(A,B), S(C, D, E), and T(F,G,H). S.C is a foreign key referencing R. A S. D is a foreign key referencing T.F Choose the answer that best completes each statement below: 1. The foreign key constraint "S.C is a foreign key referencing R. A" [Select] that the statement: TA(R) PATC(S)) remains true at all times. 2. Since (C, D) is the primary key of relation S, the expression: O $1.C=S2.CAS1.D=S2.DAS1.E#82.e(psi(S) x Ps2 (S)) will always yield Select] 3. If the expression: RMA-FT=0 holds true, we can say that the property of Select] holds in these relations. Consider three relations: R(A,B), S(C, D, E)and T(F,G,H). S.C is a foreign key referencing R. A S. D is a foreign key referencing T.F Choose the answer that best completes each statement below: 1. The foreign key constraints is a foreign key referencing Select) RA that the statement: guarantees does not guarantee e at all times. 2. Since (C, D) is the primary key of relation S. the expression: S1.C=S2.CAS1.D=S2.DNS1.E+S2.E(Ps(S) X PS2(S)) will always yield Select) 3. If the expression: RM=FT = @ holds true, we can say that the property of Select holds in these relations. Consider three relations: R(A,B), S(C,D,E), and T(F,G,H). S.C is a foreign key referencing R. A S. D is a foreign key referencing T.F Choose the answer that best completes each statement below: 1. The foreign key constraint "S.C is a foreign key referencing + that the statement: R. A" [Select) TA(R) PAAC(S)) remains true at all times. 2. Since (C,D) is the primary key of relation S, the expression: Os1.C=S2.CASIDESODASI PASO SEUS Elesi(S) x 02(S)) will [Select] always yiel a relation twible the size of relations 3. If the expre the empty set ve can say all tuples in relation S that the property holds in these relations. Consider three relations: R(A,B). S(C, D, E), and T(F,G,H). S.C is a foreign key referencing R. A S. D is a foreign key referencing T.F Choose the answer that best completes each statement below: 1. The foreign key constraint "S. C is a foreign key referencing R. A" [Select) + that the statement: TA(R) PATC(S)) remains true at all times. 2. Since (C, D) is the primary key of relation S, the expression: OS1.C=S2.CAS1.D=S2.DNS1.E+S2.E(Ps(S) Ps2(S)) will always yield Select] 3. If the expression: Reholds true, we can say [ Select ] that the property holds in referential integrity these relations. entity integrity (none of the listed options) domain constraint