anchor.diff:  	try{Class.forName("org.postgresql.Driver");}catch(Exception e){System.out.println("Driver error");}
   	
   	conn = DriverManager.getConnection(
  -    	"jdbc:postgresql://localhost/CSE135?" +
  -    	"user=Bonnie");  
  +    	"jdbc:postgresql://localhost/cse135?" +
  +    	"user=Sean");  
               
   	/* conn = DriverManager.getConnection("jdbc:postgresql://ec2-23-21-185-168.compute-1.amazonaws.com:5432/ddbj4k4uieorq7?ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory",
      	"qwovydljafffgl", "cGdGZam7xcem_isgwfV3FQ_jxs"); */
  
positive.code: 					" OFFSET "+r_offset; */
  			
  		   SQL_2 = "SELECT user_table.id, user_table.name, SUM(s.quantity*s.price) AS amount"+ 
  					" FROM (SELECT name, id FROM users u WHERE u.age between " + age + " AND u.state='"+ state +
  					" ORDER BY name ASC LIMIT 20 OFFSET "+r_offset +")"+ 
  					" AS user_table LEFT JOIN sales s"+ 
  					" ON (s.uid = user_table.id)" + 
  
negative.code: 		{
  			//System.out.println("rows: user - age filters");
  			/* pulls user names, age filter */ 	
  			SQL_2 ="SELECT user_table.id, user_table.name, SUM(s.quantity*s.price) AS amount"+
  					" FROM (SELECT u.id, u.name"+ 
  					" FROM users u WHERE u.age between "+age+" ORDER BY u.name ASC LIMIT 20 OFFSET " +r_offset+ ") AS user_table"+
  					" LEFT JOIN sales s ON (s.uid = user_table.id)"+ 
  					" GROUP BY user_table.name,user_table.id";
  			/* SQL_21 ="SELECT u.id, u.name, SUM(s.quantity*s.price) AS amount"+
  					" FROM users u LEFT JOIN sales s ON s.uid = u.id"+
  					" WHERE u.age between " + age +  
  