Select multiple values from multiple rows - mysql

Question

Cant figure out how to get this result:
ProductID Variantno
53121 5197, 5198,5199
From this data collection.
ProductID Variantno
53121 5197
53121 5198
53121 5199
Tried with group by but no good result, total sql noob...

Answer 1

Try this..
SELECT
ProductID,
GROUP_CONCAT(Variantno)
FROM tbl
GROUP BY ProductID

Answer 2

select ProductID , group_concat(Variantno)
from table
group by ProductID

Answer 3

Try this:
WITH cte AS (
SELECT
ProductID,
CAST('<r>' + REPLACE(variantNo, ',', '</r><r>') + '</r>' AS XML) AS VariantNos
FROM TestTable
)
SELECT
ProductID,
xTable.xColumn.value('.', 'VARCHAR(MAX)') AS VariantNo
FROM cte
CROSS APPLY VariantNos.nodes('//r') AS xTable(xColumn)

Answer 4

Without showing your code and database. I assumed that you are working with php and mysql.
I have run and tested this code and it works. that means it will work for you. my connection is PDO. Give me a shout if are still having issues
<?php
// pdo connection
$db = new PDO (
'mysql:host=localhost;dbname=sectona_db;charset=utf8',
'root', // username
'root90' // password
);
?>
<?php
Echo 'Data Output:<br>';
include("pdo.php");
$result = $db->prepare("SELECT * FROM product where id='123'");
$result->execute(array());
while ($r = $result->fetch())
{
//$data = htmlentities($r['product'], ENT_QUOTES, "UTF-8");
?>
<?php echo htmlentities($r['product'], ENT_QUOTES, "UTF-8");?>,
<?php } ?>