ISRO CSE 2017

If A is a skew symmetric matrix then A^{t} is

Let A and B be any two arbitrary events, then, which one of the following is TRUE?

Using Newton-Raphson method, a root correct to 3 decimal places of x^{3}-3 x-5=0

What does a data dictionary will identify?

Which of the following concurrency control protocol ensures both conflict and free from deadlock? ,

ACID properties of a transactions are

\begin{array}{|l|l|l|l|l|} \hline \textbf{Employee} & \textbf{Department} & \textbf{OT allowance} \\ \hline \text{RAMA} & \text{Mechanical} & \text{5000} \\\hline \text{GOPI} & \text{Electrical} & \text{2000} \\\hline \text{SINDHU} & \text{Computer} & \text{4000} \\\hline \text{MAHESH} & \text{Civil} & \text{1500} \\\hline \end{array}
What is the output of the following SQL query?

 select count(*) from 
    ((select Employee, Department from Overtime_allowance) 
    natural join 
    (select Department, OT_allowance from Overtime_allowance) 
    as T);

Which symbol denote derived attributes in ER Model?

The symmetric difference of sets A={1,2,3,4,5,6,7,8} and B={1,3,5,6,7,8,9} is:

The problem 3-SAT and 2-SAT are