Study tips 1Z0-051

Which substitution variable would you use if you want to reuse the variable without prompting the user each time?

What is true about your ALTER statement?

What privileges does the user Scott have at this point?

Which two statements complete a transaction?

Which SELECT statement accomplishes this task?

Which statement describes the ROWID data type?

Which four statements are true of the SQL statement?

What does this allow you to do?

Which two statements about creating constraints are true?

Which DELETE statement is valid?