Study tips 1Z0-047

Which statement is true regarding this query?

Which statement is true regarding Flashback Version Query?

Which mandatory clause has to be added to the following statement to successfully create an external table called EMPDET?

Which statement is true regarding the execution of the above commands?

Which two statements are true?

Which query would produce the desired output?

Which statements are true regarding the output of these SQL statements?

Which statement is true regarding the effect of the above SQL statement?

Which DELETE statement would execute successfully?

Which two CREATE INDEX statements are valid?