निम्नलिखित प्रश्न

What is the primary purpose of a `SEQUENCE` in SQL?

What is the main function of a PL/SQL `TRIGGER`?

SQL Injection can be prevented by all EXCEPT:

A transaction in DBMS is said to be atomic if:

Which of the following is a mandatory component of a PL/SQL function's definition?

Which SQL function returns the largest value in a column?

Given a table employees(id, dept_id, salary), which query returns departments with average salary greater than overall average across the company?

Which SQL statement combines the results of two queries and removes duplicates?

Which SQL keyword is used to remove duplicate records from a query result?

Which SQL function is used to calculate the average of a numeric column?