MySQL 18 queries required, or can I use just one? - php

Question

I'm creating a golf score tracking database for some friends and am having trouble with the best way to retrieve a specific value from the result.
I have tables:
Players - stores player info
Hole - stores basic info about a hole (CourseID, HoleNum, Par...)
Score - stores each hole they played (HoleID, NumStrokes...)
My goal is to output a table showing their result for each hole (1-18). The following query gets me a list of all of the holes they played and the number of strokes it took them to complete the hole.
SELECT Hole.HoleID, NumStrokes
FROM Players
INNER JOIN Score ON Score.PlayerID = Players.PlayerID
INNER JOIN Hole ON Score.HoleID = Hole.HoleID
WHERE Players.PlayerID = '$PlayerID'
Results like this:
HoleID NumStrokes
1 4
1 6
1 3
2 5
7 3
Do I have to run 18 different queries, one for each hole that I am outputting, by adding:
AND Hole.HoleID = '$HoleID'
to my query, or is there a better SQL query that I could use? The Hole table also as a round identifier, so don't worry about determinig which NumStrokes of HoleID I need. I'm using PHP, by the way. Hopefully my question was clear enough.
Thank you!

Answer 1

$conn = new mysqli('host','user','pass','db_name');
$PlayerID = (int) $_GET['PlayerID'];
$rs = $conn->query("
SELECT Hole.HoleID, NumStrokes
FROM Players
INNER JOIN Score ON Score.PlayerID = Players.PlayerID
INNER JOIN Hole ON Score.HoleID = Hole.HoleID
WHERE Players.PlayerID = $PlayerID
") or die($conn->error);
while($row = $rs->fetch_object()) {
echo $row->HoleID.' - '.$row->NumStrokes.'<br/>';
}
This will output the results for a player. You can do the same with the mysql_* functions, but since they are deprecated its better to use mysqli or PDO