Sensor Data From 3 slaves

Device Id Time Stamp Sensor Type Sensor Value
connect_error){ die("Connection Failed: ".$conn->connect_error); } echo "Connected successfully"; $retval = mysqli_query($conn,"SELECT * FROM sensorDataTable"); if(!$retval){ die('Could not get Data : '.mysqli_error()); } while($row = mysqli_fetch_assoc($retval)){ echo "Device id :{$row['Device Id']}
". "Time Stamp :{$row['Time Stamp']}
". "Sensor Type :{$row['Sensor Type']}
". "Sensor Value.{$row['Sensor Value']}
". "--------------------------------------
"; } echo "Fetched Data Sucessfully"; ?>