Quiz 1z0-007, Introduction to Oracle9i: SQL
which scenario would an index be most useful?
Which are DML statements?
Which two are attributes of iSQL*Plus?
Which values are displayed?
Which SQL statement returns a numeric value?
Which two are true about aggregate functions?
Which SQL statement produces an error?
Which three tasks would require subqueries or joins in order to be performed in a single step?
Which statement accomplishes this task?
Which two tasks would require subqueries or joins in order to be performed in a single step?