To update with search criteria, use findAndModify() in MongoDB. Let us create a collection with documents −
> db.demo516.insertOne({"Name":"John","Age":22,"Score":56});{ "acknowledged" : true, "insertedId" : ObjectId("5e889fdb987b6e0e9d18f591") } > db.demo516.insertOne({"Name":"John","Age":23,"Score":67});{ "acknowledged" : true, "insertedId" : ObjectId("5e889ff1987b6e0e9d18f592") } > db.demo516.insertOne({"Name":"John","Age":22,"Score":56});{ "acknowledged" : true, "insertedId" : ObjectId("5e889ff3987b6e0e9d18f593") } > db.demo516.insertOne({"Name":"John","Age":22,"Score":66});{ "acknowledged" : true, "insertedId" : ObjectId("5e889ffa987b6e0e9d18f594") }
Display all documents from a collection with the help of find() method −
> db.demo516.find();
This will produce the following output −
{ "_id" : ObjectId("5e889fdb987b6e0e9d18f591"), "Name" : "John", "Age" : 22, "Score" : 56 } { "_id" : ObjectId("5e889ff1987b6e0e9d18f592"), "Name" : "John", "Age" : 23, "Score" : 67 } { "_id" : ObjectId("5e889ff3987b6e0e9d18f593"), "Name" : "John", "Age" : 22, "Score" : 56 } { "_id" : ObjectId("5e889ffa987b6e0e9d18f594"), "Name" : "John", "Age" : 22, "Score" : 66 }
Following is the query to update the last row with search criteria in MongoDB −
> db.demo516.findAndModify({ ... query: {Name: "John", Age: 22}, ... sort: {_id: -1}, ... update: {$set: {Score: 98}}, ... new: true ... }) { "_id" : ObjectId("5e889ffa987b6e0e9d18f594"), "Name" : "John", "Age" : 22, "Score" : 98 }
Display all documents from a collection with the help of find() method −
> db.demo516.find();
This will produce the following output −
{ "_id" : ObjectId("5e889fdb987b6e0e9d18f591"), "Name" : "John", "Age" : 22, "Score" : 56 } { "_id" : ObjectId("5e889ff1987b6e0e9d18f592"), "Name" : "John", "Age" : 23, "Score" : 67 } { "_id" : ObjectId("5e889ff3987b6e0e9d18f593"), "Name" : "John", "Age" : 22, "Score" : 56 } { "_id" : ObjectId("5e889ffa987b6e0e9d18f594"), "Name" : "John", "Age" : 22, "Score" : 98 }