Question
Monthly income of A is Rs. 44500 out of which he spent
22%, 14% and 23% of his total income in rent, medicine and transportation, respectively. Find his expenditure on given three items.Solution
Required expenditure = (0.22 + 0.14 + 0.23) × 44500 = Rs. 26255
Shadow Paging avoids:
Which of the following is not part of the process control block (PCB)?
Which normal form ensures that every determinant is a candidate key?
Which join should be used when you want to list all customers and any orders they may have placed, including customers who haven’t placed any orders?
Which operation is NOT part of relational algebra?
Which normal form ensures no partial dependency of non-prime attributes on a candidate key?
Which type of relationship exists when a record in one table can relate to multiple records in another table, and vice versa?
Which normal form removes partial dependency?
During transaction before commit which of the following statements is done automatically in case of shutdown?
Which of the following concurrency control methods avoids deadlocks entirely but can reduce concurrency by blocking transactions at start?