[{"_id":"cc3a8d7f-5962-47e9-a3eb-09b0a57c9fdb","isDeleted":false,"user":{"timestamp":"2023-02-12","name":"john","surname":"doe","email":"a.s@ug.bilkent.edu.tr","phone":"+012345678912","age":25,"gender":"female","nationality":"smth","universityMajor":"ENGINEERING","preferences":null,"highPrivacy":false,},"postings":[{"id":"f61b103d-8118-4054-8b24-b26e2f4febc4","isDeleted":false,"timestamp":"2023-02-12","houseType":"apartment","totalNumOfRoommates":5,"location":{"neighborhood":"Oran","district":"Çankaya","city":"Adana"},"startDate":"2022-11-10","endDate":"2022-11-15","postingType":"House Sharer","title":"House sharer post 1","description":"This is house sharer post 1","price":2500,"houseSize":"2 + 0"},{"id":"b7d34113-1b13-4265-ba9b-766accecd267","isDeleted":false,"timestamp":"2023-02-12","houseType":"apartment","totalNumOfRoommates":5,"location":{"neighborhood":"Dikmen","district":"Çankaya","city":"Adana"},"startDate":"2022-09-13","endDate":"2023-12-24","postingType":"House Seeker","startPrice":2002,"endPrice":2500}],}]

db.collection.update({},{"$set":{"postings.$[p].isDeleted":true}},{arrayFilters:[{"p.id":"b7d34113-1b13-4265-ba9b-766accecd267","p.isDeleted":false}]})