How can I fix this. Fatal error: uncaught mysqli_SQL_exception: you have an error in your SQL syntax; thrown in C:\xampp\kishanga apps\htdocs\DAMS\admin_dashboard.php on line 12

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<?php
session_start();

require("connect.php");
if(!isset($_SESSION['email'],$_SESSION['password']))
{
    header("location:login.php");
}


$query=" SELECT `fname`,`lname`,`appointment_date`,`appointment_time`,`message`,`remark`,`status` FROM `appointments` INNER JOIN `patients` ON appointments.patientid= patients.id INNER JOIN doctors ON appointments.doctor_id=doctors.id";
$result=mysqli_query($con,$query);

?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>DAMS</title>

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <link rel="stylesheet" href="assets/css/style.css">
    <!-- <link rel="stylesheet" href="assets/css/bootstrap.min.css"> -->
     

    
</head>
<body>

<div class="container-fuid bg-blue shadow-sm ">  
    <div class="container pb-2 pt-2 d-grid gap-2">
       <div class="dropdown">
       <a class="navbar-brand text-white h1" href="admin_dashboard.php">DOCTOR APPOINTMENT MANAGEMENT SYSTEM   (DAMS)</a>                        
       
       <a class="navbar-brand text-white h2" href="admin_dashboard.php"><img src="images/dash.png" alt=""width="26px" height="26px"> Dashboard</a> 
       <button class="btn btn-primary dropdown-toggle navbar-brand text-white h2" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false"
        >Manage Users</button>
       

        <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
         <li><a class="dropdown-item" href="select_patients.php">Patients</a></li>
         <li><a class="dropdown-item" href="select_doctors.php">Doctors</a></li>
         <li><a class="dropdown-item" href="add_doctor.php">Add Doctor</a></li>
         <li><a class="dropdown-item" href="add_specs.php">Add Specilizations</a></li>
       
      </ul>
        <button class="btn btn-primary dropdown-toggle navbar-brand text-white h2" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false"
        >Appointments</button>
       

      <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
         <li><a class="dropdown-item" href="admin_approved_appointments.php">Approved Appointment</a></li>
         <li><a class="dropdown-item" href="admin_cancelled_appointment.php">Cancelled Appointment</a></li>
         <li><a class="dropdown-item" href="all_appointments.php">All Appointment</a></li>
         <li><a class="dropdown-item" href="admin_search.php">Search Appointment</a></li>
         <li><a class="dropdown-item" href="admin_report.php">Report</a></li>
         
         
      </ul>
      

      <button class="btn btn-primary dropdown-toggle navbar-brand text-white h2" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false"
        ><img src="images/sg.png" alt="" width="23px" height="23px"> <?php echo $_SESSION['email'];?></button>
       

        <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
      <li><a class="dropdown-item" href="admin_change_password.php"><img src="images/settings.png" alt="" width="20px" height="20px">  Change password</a></li>
         <li><a class="dropdown-item" href="logout.php"><img src="images/sign.png" alt="" width="25px" height="25px"> Logout</a></li>
    
</div>



</div>
  </div> 

   <div class="bg-white shadow-sm ">
       <div class="container pb-2 pt-"> 
           <div class="row">
               <nav class="nav nav-underline">
              
                   <div class="nav-link">Appointment / View</div>
               </nav>
           </div>

       </div>
  </div>

  

  <div class="container mt-5">
      <div class="row">

          <div class="col-md-12">
 
          </div>
          <!-- <div class="col-md-12 text-right">
              <a class="btn btn-primary" href="">Add User</a>
          </div>
      </div> -->
  </div>

   
<div class="row">

<div style="width:306px;" class="col-md-6 mb-4">
    <div class="card border-left-success shadow h-100 py-2" style="background-color:#26c6da; color:white;">

    <?php
    $doctors="SELECT * FROM doctors";
    $doctorresult=mysqli_query($con,$doctors);
    $doctorrow=mysqli_num_rows($doctorresult);

    $patients="SELECT * FROM patients";
    $patientresult=mysqli_query($con,$patients);
    $patientrow=mysqli_num_rows($patientresult);

    $appointment="SELECT * FROM `appointments` where `status`='approved'";
    $approvedresult=mysqli_query($con,$appointment);
    $approvedrow=mysqli_num_rows($approvedresult);

    $appointments="SELECT * FROM `appointments` where `status`='not approved'";
    $noapprovedresult=mysqli_query($con,$appointments);
    $noapprovedrow=mysqli_num_rows($noapprovedresult);

    ?>

        <div class="card-body">
            <div class="row no-gutters align-items-center">
                <div class="col mr-2">
                    <div class="text-xs font-weight-bold text-uppercase mb-1" style="color:white;">ALL DOCTORS</div>
                    <div class="h5 mb-0 font-weight-bold text-gray-800"><?php echo $doctorrow ?></div>
                </div>
                <div class="col-auto">
                    class="fas fa-dollar-sign fa-2x text-gray-300" style="background-color: rgba(102, 187, 106, 1); color: rgba(255, 255, 255, 1)">
                </div>
            </div>
        </div>
    </div>
</div>

<div class="col-xl-3 col-md-6 mb-4">
    <div class="card border-left-success shadow h-100 py-2" style="background-color:#ef5350; color:white;">
        <div class="card-body">
            <div class="row no-gutters align-items-center">
                <div class="col mr-2">
                    <div style="color:white;" class="text-xs font-weight-bold  text-uppercase mb-1">Cancelled appointments</div>

                    <div class="h5 mb-0 font-weight-bold text-gray-800"><?php echo $noapprovedrow ?></div>
                </div>
                <div class="col-auto">
                    ^__i class="fas fa-dollar-sign fa-2x text-gray-300">
                </div>
            </div>
        </div>
    </div>
</div>

<div class="col-xl-3 col-md-6 mb-4">
    <div class="card border-left-success shadow h-100 py-2" style="background-color:#007bff; color:white;">
        <div class="card-body">
            <div class="row no-gutters align-items-center">
                <div class="col mr-2">
                    <div style="color:white;" class="text-xs font-weight-bold  text-uppercase mb-1">APPROVED APPOINTMENTS</div>

                    <div class="h5 mb-0 font-weight-bold text-gray-800"><?php echo $approvedrow ?></div>
                </div>
                <div class="col-auto">
                    ^__i class="fas fa-dollar-sign fa-2x text-gray-300">
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row">

  <div class="app-main">
      <div class="row">
         <div class="col-md-12">
         <div class="card">
              <div class="card-header bg-blue text-white text-center">
                  <div class="card-header-title"> Appointments</div>
                  
              </div>
              <div class="card-body">
                  <table class="table table-striped" style="text-align:center;">

                  
                      <tr>
                          <th>No</th>
                          <th>Patient Name</th>
                          <th>Doctor Name</th>
                          <th>Appointment Date </th>
                          <th>Appointment Time </th>
                          <th>Message</th>
                          <th>Remark</th>
                          <th>Status</th>
                          <th width="150">Action</th>
                      </tr>

                    <?php
                    $no=1;
                   while ($row=mysqli_fetch_assoc($result)){
                  ?>

                  <tr>
                  <td><?php echo $no++; ?></td>
                  <td><?php echo $row['fname']?></td>
                  <td><?php echo $row['lname']?></td>
                  <td><?php echo $row['appointment_date']?></td>
                  <td><?php echo $row['appointment_time']?></td>
                  <td><?php echo $row['message']?></td>
                  <td><?php echo $row['remark']?></td>
                  <td><?php echo $row['status']?></td>

                      <!-- <td>
                             
                          <a class="btn btn-primary btn-sm" href="update.php?id=<?php echo $row['id']?>">Update</a>
                          <a class="btn btn-danger btn-sm" href="delete.php?id=<?php echo $row['id']?>">Delete</a>
                         
                      </td> -->
                  </tr>
                  <?php } ?>
                  </table>
              </div>
         </div>
          </div>
      </div>
  </div>

  

  <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js" integrity="sha384-IQsoLXl5PILFhosVNubq5LC7Qb9DXgDA9i+tQ8Zj3iwWAwPtgFTxbJ8NT4GN1R8p" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.min.js" integrity="sha384-cVKIPhGWiC2Al4u+LWgxfKTRIcfu0JTxR+EQDz/bgldoEyl4H0zUF0QKbrJ0EcQF" crossorigin="anonymous"></script>
<!-- <script src="assets/js/bootstrap.bundle.min.js"></script> -->


 class="fas fa-phone" style="color: rgba(0, 0, 255, 1)">
</body>
</html>

What I have tried:

i tried to fix it but i failed

Posted 15-Jun-23 7:46am

HUSSEIN KISHANGA

Updated 15-Jun-23 8:21am

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OriginalGriff · Accepted Answer · 2023-06-15T08:21:00

Check your query:

$query=" SELECT `fname`,`lname`,`appointment_date`,`appointment_time`,`message`,`remark`,`status` FROM `appointments` INNER JOIN `patients` ON appointments.patientid= patients.id INNER JOIN doctors ON appointments.doctor_id=doctors.id";

At a guess (and without your DB that's all it can be) you need to explicitly reference the table that the filed is coming from: MySQL Joins[^]