Question 737 When transaction T​ i​ requests a data item currently held by T​ j​ , T​ j​ is allowed to wait only if it has […]

Question 738 Consider the relation schema R(A,B,C,D) with following functional dependency set F={A→ BC, C→ D}; The relation R is in ___ A 2NF B BCNF […]

Question 739 which of the following desired features are beyond the capability of relational algebra? A Aggregate Computation B Multiplication C Finding transitive closure D All […]

Question 740 The condition for total participation of entity in a relationship is__ A Maximum cardinality should be one B Minimum cardinality should be one C […]