我想通过查询删除整个节点,如delete*WHERE user_id =" - KTruPWrYO9WFj-TF8Ft"我如何在firebase上实现这一点？
-KVpQFXnzQkzzrowHxGk
answer: "1"
question_number: 2
user_id: "-KTruPWrYO9WFj-TF8Ft"
-KVpQFXODhsAMJYFNjy7
answer: "4"
question_number: 25
user_id: "-KTruPWrYO9WFj-TF8Ft"