Question 6 :
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.
Question 7 :
There is an equivalent join expression that can be substituted for all subquery expressions.
Question 8 :
A dynamic view is one whose contents materialize when referenced.
Question 9 :
SQL is a programming language.
Question 10 :
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.