Study tips 1Z0-051

Which statement correctly describes SQL and /SQL*Plus?

Which four are types of functions available in SQL?

Which MERGE statement is valid?

Which view should a user query to display the columns associated with the constraints on a table owned by the user?

Which two tasks would require sub queries or joins in order to be performed in a single step?

Which SQL statement accomplishes this task?

What could be the reason?

Which statement is true about the DELETE statement?

Which INSERT statement meets the above requirements?

Which two statements are true regarding constraints?