Process-Scheduling
January 24, 2024
Question 17408 – ISRO CS-2023
January 25, 2024
Process-Scheduling
January 24, 2024
Question 17408 – ISRO CS-2023
January 25, 2024

ISRO CS-2023

Question 7
Consider a database table T containing two columns X and Y each of type Integer. After the creation of the table, one record (X=l, Y=l) is inserted in the table. Let MX and MY denote the respective maximum values of X and Y among all records in the table at any point in time. Using MX and MY, new records are inserted in the table 128 times with X and Y values being MX+I, 2 x MY+I respectively. It may be noted that each time after the insertion, values of MX and MY change. What will be the output of the following SQL query after the steps mentioned above are
carried out?
SELECT Y FROM T WHERE X=7;
A
127
B
15
C
129
D
257
Correct Answer: A

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