Which of the following is a Jhangora crop

Shadow paging in recovery eliminates the need for:

Which SQL constraint ensures that a column cannot have NULL values?

Which of the following is not part of the process control block (PCB)?

Which type of DBMS model organizes data in tables with rows and columns?

Wait-Die and Wound-Wait are strategies for:

What will be the value of `x` after the following pseudo-code execution? 

```

    x = 0

    data = [10, 20, 30]

Which of the following is a type of phishing attack?

Multiversion Concurrency Control (MVCC) ensures:

Which normal form removes partial dependency?