ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause.  A special operator used to check whether an attribute value is null is ____.Select one:a.IS NULLb.BETWEENc.LIKEd.IN

The special operator used to check whether an attribute value is within a range of values is _____.Select one:a.LIKEb.INc.NULLd.BETWEEN

In SQL, which operator is used to check if a value is within a specified range?OptionsINLIKEIS NULLBETWEEN

Which operator may be used if you know the exact value(s) to search for?Select one:a.>b.BETWEENc.None of the answers are correctd.INe.<

Which operator is used to join two or more conditions in one of SQL clause?Select one:a.OR , ANDb.INc.JOINd.None of the answers are correcte.BETWEENClear my choice

In SQL, which operator is used to check if a value is not equal to a specified value?OptionsNOT!==<>