[{_id:ObjectId("6175d614c5a8d65745253aca"),fullname:"I'm Admin",password:"$2b$10$MNsk4ODki0bdSpliKthdb.0KGvy4xkBxxeadfg2TnQAZf810SQ.3q",mobile:"88888888",email:"admin@gmail.com",accountBalance:979000,__v:0,tradeTransactions:[{transactionId:"2021-11-02T00:55:52.268Z",itemName:"banana",purchasePrice:1,purchaseAmount:8000},{transactionId:123,itemName:"apple",purchasePrice:2,purchaseAmount:5000}]},{_id:ObjectId("6175d614c5a8d65745253acb"),fullname:"I'm Admin",password:"$2b$10$MNsk4ODki0bdSpliKthdb.0KGvy4xkBxxeadfg2TnQAZf810SQ.3q",mobile:"88888888",email:"admin@gmail.com",accountBalance:979000,__v:0,tradeTransactions:[{transactionId:"2021-11-02T00:55:52.268Z",itemName:"banana",purchasePrice:1,purchaseAmount:8000},{transactionId:123,itemName:"apple",purchasePrice:2,purchaseAmount:5000}]}]

db.collection.aggregate([{$match:{_id:ObjectId("6175d614c5a8d65745253aca")}},{$unwind:"$tradeTransactions"},{$match:{"tradeTransactions.transactionId":"2021-11-02T00:55:52.268Z"}},{$replaceRoot:{newRoot:"$tradeTransactions"}},])