Question
What is the primary objective of system testing in the
software development lifecycle?Solution
System testing is a phase in the software development lifecycle where the complete and integrated software system is tested as a whole. The primary objective of system testing is to verify that the software meets the specified requirements and functions correctly in the intended environment. It involves testing the entire system for compliance with the functional and non-functional requirements, ensuring that all components and interactions work as expected when integrated together.
Which of the following is a key characteristic that distinguishes a PL/SQL `FUNCTION` from a PL/SQL `PROCEDURE`?
Given a table employees(id, dept_id, salary), which query returns departments with average salary greater than overall average across the company?
What is the main function of a PL/SQL `TRIGGER`?
Which operator is used for pattern matching in SQL?
Which SQL constraint ensures a column cannot have NULL values?
Which of the following is a key characteristic that distinguishes a PL/SQL `FUNCTION` from a PL/SQL `PROCEDURE`?
Which type of trigger fires once for each row affected by the triggering DML statement?
Which SQL command is used to remove a table completely?
Which SQL function returns the number of rows in a table?
Which SQL keyword is used to remove duplicate records from a query result?
