What does the error "Unknown column in 'field list'" indicate in PHP database operations?

The error "Unknown column in 'field list'" in PHP database operations indicates that the column being referenced in the query does not exist in the database table. To solve this issue, you need to check the column name in your query and ensure it matches the actual column name in the database table. 

// Example code snippet to fix the "Unknown column in 'field list'" error
$sql = "SELECT column1, column2 FROM table_name"; // Make sure column1 and column2 exist in the table
$result = mysqli_query($connection, $sql);

if ($result) {
    // Process the query result
} else {
    echo "Error: " . mysqli_error($connection);
}

Keywords

PHP MySQL database operations error message column not found

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