'; $result=mysqli_query($conn,"SELECT * FROM client, ordering WHERE client.ID = ordering.ID_CLIENT"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].' '.$row[4].' '.$row[5].' '.$row[6].' '.$row[7].' '.$row[8].' '.$row[9].' '.$row[10].' '.$row[11].' '.$row[12].'
'; } echo '
'; echo"Ερώτημα 2"; echo '
'; $result=mysqli_query($conn,"SELECT * FROM client WHERE client.ID NOT IN (SELECT ordering.ID_CLIENT FROM ordering)"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].' '.$row[4].' '.$row[5].' '.$row[6].' '.$row[7].' '.$row[8].'
'; } echo '
'; echo"Ερώτημα 3"; echo '
'; $result=mysqli_query($conn,"SELECT client.NAME, product.MANUFACTURER FROM product, client, ordering, orderlist WHERE client.ID = ordering.ID_CLIENT AND ordering.ID = orderlist.ID_ORDERING AND product.ID = orderlist.ID_PRODUCT AND product.MANUFACTURER='SONY' GROUP BY client.NAME"); while ($row=mysqli_fetch_array($result)) { echo $row['NAME'].' '.$row['MANUFACTURER'].'
'; } echo '
'; echo"Ερώτημα 4"; echo '
'; $result=mysqli_query($conn,"SELECT * from ordering WHERE ordering.ADVANCEPAY=0 ORDER BY ordering.ORDERDATE DESC"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].' '.$row[4].' '.$row[5].'
'; } echo '
'; echo"Ερώτημα 5"; echo '
'; $result=mysqli_query($conn,"SELECT ordering.ID, SUM(orderlist.PRICE*orderlist.QUANTITY) FROM ordering, orderlist WHERE ordering.ID = orderlist.ID_ORDERING AND ordering.ADVANCEPAY!=0 GROUP BY orderlist.ID_ORDERING"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].'
'; } echo '
'; echo"Ερώτημα 6"; echo '
'; $result=mysqli_query($conn,"SELECT client.NAME, ordering.ORDERDATE, ordering.ADVANCEPAY, (SUM(orderlist.PRICE*orderlist.QUANTITY) - ordering.ADVANCEPAY) AS Υπόλοιπο FROM client, ordering, orderlist WHERE ordering.ID = orderlist.ID_ORDERING AND client.ID = ordering.ID_CLIENT AND client.NAME='PerfectSoft' GROUP BY ordering.ID"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].'
'; } echo '
'; echo"Ερώτημα 7"; echo '
'; mysqli_query($conn,"UPDATE client SET client.ADDRESS='Ερυθρού Σταυρού 5' where client.NAME='SISMA SA'"); $result=mysqli_query($conn,"SELECT * from client"); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].' '.$row[4].' '.$row[5].' '.$row[6].' '.$row[7].' '.$row[8].'
'; } echo '
'; echo"Ερώτημα 8"; echo '
'; $result=mysqli_query($conn,"SELECT * from ordering WHERE ordering.ORDERDATE>'2020-11-30' AND ordering.ORDERDATE<='2020-12-31' ORDER BY ordering.ORDERDATE ASC "); while ($row=mysqli_fetch_array($result)) { echo $row[0].' '.$row[1].' '.$row[2].' '.$row[3].' '.$row[3].'
'; } mysqli_close(); ?>