The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT *
FROM PO_REQ_DISTRIBUTIONS
WHERE rowid = X_Rowid
FOR UPDATE of Distribution_Id NOWAIT;
FND_MESSAGE.Set_Name('FND', 'FORM_RECORD_DELETED');
PROCEDURE Delete_Row(X_Rowid VARCHAR2) IS
BEGIN
DELETE FROM PO_REQ_DISTRIBUTIONS
WHERE rowid = X_Rowid;
END Delete_Row;