为此,只需在 MongoDB 中使用点表示法和 find() 即可。让我们创建一个包含文档的集合 -
> db.demo465.insertOne(
... {
... id: 101,
... details: [{
... Name: "Chris",
... Info: {
... Subject: "MongoDB",
... Marks:67
... }
... }, {
... Name: "David",
... Info: {
... Subject: "MySQL",
... Marks:78
... }
... }]
... }
... );
{
"acknowledged" : true,
"insertedId" : ObjectId("5e80421bb0f3fa88e2279061")
}
>
> db.demo465.insertOne(
... {
... id: 102,
... details: [{
... Name: "Bob",
... Info: {
... Subject: "Java",
... Marks:45
... }
... }, {
... Name: "Carol",
... Info: {
... Subject: "C",
... Marks:67
... }
... }]
... }
... );
{
"acknowledged" : true,
"insertedId" : ObjectId("5e80421cb0f3fa88e2279062")
}



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