October 22, 2023
Question 9 (a) Suppose we have a database consisting of the following three relations. FREQUENTS(student, parlor) giving the parlors each student visits. SERVES(parlor, ice-cream) indicating what […]
October 22, 2023
Question 14 Let S be the following schedule of operations of three transactions T1, T2 and T3in a relational database system: R2(Y), R1(X), R3(Z), R1(Y), W1(X), […]
October 23, 2023
Question 16 Consider the following database relations containing the attributes Book_id Subject_Category_of_book Name_of_Author Nationality_of_Author with Book_id as the Primary Key. (a) What is the highest normal […]
October 24, 2023
Question 265 Which one is a virtual table that draws its data from the result of an SQL SELECT statement. A Synonym B View C Transaction […]
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