//
//  This query will delete all the employee-ID 
//  records off of the phone number table that don't
//  have a matching primary key on the employee table
//


DELETE FROM
    "tbl_Emp-Phn-Original"

WHERE
    "employee-ID" IN (
                      SELECT DISTINCT
			  "EMP-PHN"."employee-ID"

			FROM 
			  "tbl_Emp-Phn-Original" AS "EMP-PHN" 

			WHERE
			  "EMP-PHN"."employee-ID" NOT IN
       	    			(SELECT
                 			"EMP"."employee-ID"
            			FROM
                 			"tbl_Employees" AS "EMP"
            			)
		      )