check for same id in mysql code example
Example: sql select rows with different values in one column
SELECT *
FROM YourTable
WHERE ARIDNR IN (
SELECT ARIDNR
FROM YourTable
GROUP BY ARIDNR
HAVING COUNT(*) > 1
)
SELECT *
FROM YourTable
WHERE ARIDNR IN (
SELECT ARIDNR
FROM YourTable
GROUP BY ARIDNR
HAVING COUNT(*) > 1
)