August 29, 2024
Question 47 Consider the following four schedules due to three transactions (indicated by the subscript) using read and write on a data item x, denoted by […]
August 29, 2024
Question 817 Consider the following tables (relations): Primary keys in the tables are shown using Underline. Now, Consider the following query: SELECT S.Name, Sum (P.Marks) FROM […]
August 29, 2024
Question 798 To overcome difficulties in Readers-Writers problem, which of the following statement/s is/are true? Writers are given exclusive access to shared objects Readers are given […]
August 29, 2024
Question 5 A primary key, if combined with a foreign key creates A parent child relationship between the tables that connect them B many-to-many relationship between […]
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