11.
Column can be sorted in descending order by using the SQL keyword ____
12.
When two conditions must both be true for the rows to be selected , the conditions are separated by the SQL keyword _______.
13.
To refer to a set of values needed for a condition we can use the SQL operator ______
14.
To exclude one or more values using a condition, the SQL keyword ____ __ is used.
15.
The SQL keyword ______ is used in SQL expressions to select based on patterns.