Database Manual / Reference / mongosh Methods / Collections Important Deprecated mongosh Method This method is deprecated inmongosh. For alternative methods, seeCompatibility Changes with Legacy mongo Shell. De
db.collection.insert( <document or array of documents>, { writeConcern: <document>, ordered: <boolean> } ) ParameterTypeDescription documentdocument or arrayA document or array of documents to insert into the collection. writeConcerndocument ...
db.[collectionName].insert({}) // example db.sample.insert({name:"mongo"})1234 1. 2. 3. 4. sample结果: 2. 批量插入文档 shell 这样执行是错误的 db.[collectionName].insert([{},{},{},……..]),这样仅可以插入第一条数据。 如图: shell 不支持批量插入 想完成批量插入可以用MongoDB的应用...
或Insert a batch of objects into the specified collection in a single batch write to the database. <T> Collection<T> insert(Collection<? extends T> batchToSave, String collectionName); 或Insert a mixed Collection of objects into a database collection determining the collection name to use ba...
"fieldB", as: "joinedData" } }, { $unwind: "$joinedData" }, { $project: { _id: 0, fieldA: 1, fieldB: "$joinedData.fieldB", fieldC: "$joinedData.fieldC" } }, { $merge: { into: "collectionB", on: "fieldB", whenMatched: "replace", whenNotMatched: "insert" ...
db.createCollection('di_mongodb_conf_test') 向数据集合中插入本实践的示例数据。 db.di_mongodb_conf_test.insertOne({ 'col_string':'mock string value', 'col_int32':NumberInt("1"), 'col_int32_min':NumberInt("-2147483648"), 'col_int32_max':NumberInt("2147483647"), 'col_int64':Numb...
或Insert a batch of objects into the specified collection in a single batch write to the database. <T> Collection<T> insert(Collection<? extends T> batchToSave, String collectionName); 或Insert a mixed Collection of objects into a database collection determining the collection name to use ba...
(e.g. unique key violation). example the following operation inserts a document into the users collection in the test database: <?php $collection = ( new mongodb\client)->test->users; $insertoneresult = $collection -> insertone ([ 'username' => 'admin' , 'email' => 'admin@example...
insert_one(data) print('插入的文档ID:', result.inserted_id) # 插入多个文档 data_list = [{'name': 'Alice', 'age': 25, 'city': 'London'}, {'name': 'Bob', 'age': 35, 'city': 'Paris'}] result = collection.insert_many(data_list) print('插入的文档ID列表:', result.inserted...
MongoDB 的核心数据结构包括文档(Document)、集合(Collection)和数据库(Database)。文档是 MongoDB 中最基本的数据单元,类似于关系型数据库中的行,但文档中的字段可以动态增减;集合是文档的容器,相当于关系型数据库中的表;而数据库则是集合的容器,一个 MongoDB 实例可以包含多个数据库。