What of the next are true about the validation testing?

Which of the following general testing principles

are true?

Consider the following statements about regression tests:

1. They may usefully

   be automated if they are well designed

2. They are the

   same as confirmation tests (re-tests)

3. They are a way

   to reduce the risk of a change having an adverse effect else where in the system

4. They are only

   effective if automated.

Which pair of statements is true?

In your opinion, what types of software errors can be identified? (Select two correct answers)

Non-functional testing focuses on _____ the system does. (select one answer)

____ is one of the SQL

aggregate functions.

Which of the following SQL statements will select all columns with all their records from a table called Books.