The following table has two attributes A and C where A is the primary key and C is the foreign key referencing A with on-delete cascade. A C —– 2 4 3 4 4 3 5 2 7 2 9 5 6 4 The set of all tuples that must be additionally deleted to preserve referential integrity when ...
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Two transactions T1 and T2 are given as: T1: r1(X) w1(X)r1(Y)w1(Y) T2 : r2(Y)w2(Y)r2(Z)w2(Z) where ri(V) denotes a read operation by transaction Ti on a variable V and wi(V) denotes a write operation by transaction Ti on a variable V. Calculate The total number ...
Write a program to insert values in a table at run time using JDBC.