public void linkFeatureOfInterestToOfferings(String feedID){
		try {
			String tableName = "foi_off";
			String firstCol = "feature_of_interest_id";
			String secondCol = "offering_id";
			databaseCon dbCon = new databaseCon();
			//co offering
			dbCon.linkTwoTables(tableName, firstCol, secondCol, feedID, aqeSensors.getCoOffering());
			//humidity offering
			dbCon.linkTwoTables(tableName, firstCol, secondCol, feedID, aqeSensors.getHumidityOffering());
			//NO2 offering
			dbCon.linkTwoTables(tableName, firstCol, secondCol, feedID, aqeSensors.getNo2Offering());
			//temperature offering
			dbCon.linkTwoTables(tableName, firstCol, secondCol, feedID, aqeSensors.getTemperatureOffering());
			//O3 offering
			dbCon.linkTwoTables(tableName, firstCol, secondCol, feedID, aqeSensors.getO3Offering());
			
			dbCon.disconnect();
		} catch (FileNotFoundException e) {
			logger.warn("Config file for database connection not found",e);
			e.printStackTrace();
		} catch (IOException e) {
			logger.warn(e);
			e.printStackTrace();
		}
	}