Which concurrency control technique uses read and write locks to ensure consistency?
Two-phase locking (2PL)
If 5% salary of Amit is equal to 15% salary of Ravi and 10% salary of Ravi is equal to 20% salary of Danny. If the salary of Danny is given as ₹80...
The income of Anand is 30% more than the income of Mayank and the income of Radhika is 70% of the combined income of Anand and Mayank. By what percentag...
Archana's income is 40% higher than Bhasker's, and Cherry's income is 60% more than Bhasker's. Both Archana and Cherry save Rs. 8,000 each, with the exp...
The income of 'Q' surpasses that of 'S' by a suffering 4000%. The expenses of 'Q' and 'S' are in a ratio of 125:12. 'Q' has savings that exceed those of...
The average monthly income of Nitu and Neha is Rs. 72000. The monthly expenditure of Neha is 20% more than that of Nitu. The monthly savings of Nitu is ...
Raman's earnings have gone up by 12.5%. While maintaining the same level of expenditure, his savings have increased by 50%. Determine the percentage of ...
The earnings of 'Amit' and 'Bittu' are in the ratio 5:8. Their respective expenditures are in the ratio 4:7. If the gap between their savings is Rs. 6,0...
Total monthly income of A, B and C is Rs.1,02,720.A, B and C save 20%, 10% and 25%, of their incomes. If the ratio of their monthly expenditures is 3 : ...
Calculate the monthly savings of Vicky and Vinnay if their monthly incomes are in the ratio of 7:9, and their monthly expenditures are Rs. 6200 and Rs. ...
Determine Rohit's monthly salary if he allocated 40% of it to house rent, then 32% of the remaining amount on traveling. After accounting for his food e...
