Insert into a table which has a dash in the name

Question

I have a table called concept-relation and I want to insert into it.

for ($i = 0; $i < count($sources); $i++) {
    $sourceID = $this->get         


        

Answer 1

$query2 = "INSERT INTO `concept-relation` (relationID, firstConceptID, secondConceptID)
                VALUES (:rID, :sID, :dID)";