MongoDB 是一个文档数据库,为简化应用程序的开发与扩展而设计。 您可以在以下环境运行 MongoDB: MongoDB Atlas:用于云端 MongoDB 部署的完全托管服务 MongoDB Enterprise:基于订阅、自行管理的 MongoDB 版本 MongoDB Community:source-available、可免费使用以及自行管理的 MongoDB 版本 ...
--storageengine string default : wiredtiger specifies the storage engine for the mongod database. available values include: value description inmemory if you attempt to start a mongod with a --dbpath that contains data files produced by a storage engine other than the one specified by --...
Default _id(默认_id索引)所有mongodb默认都有一个_id字段索引,如果我们不指定_id的值会自动生成一个ObjectId值。 该_id索引是唯一的,并且可以防止客户端对_id字段值相同插入两个。 # 查询articles集合的索引 db.articles.getIndexes(); # 添加titlei字段索引,并且为升序 db.articles.ensureIndex({title:1}); ...
MongoDBDatabaseGetResultsInner.type() Returns: the type value.validate public void validate() Validates the instance. Overrides: MongoDBDatabaseGetResultsInner.validate() withLocation public MongoDBDatabaseGetResultsInner withLocation(String location) Overrides: MongoDBDatabaseGetResultsInner....
[root@k8s-master ~]# systemctl status mongod ● mongod.service - MongoDB Database Server Loaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled) Active: active (running) since Fri 2022-11-25 16:49:07 CST; 12min ago Docs: https://docs.mongodb.org/...
db.createUser({ user: "admin", pwd: "admin", roles: [ {role: "userAdminAnyDatabase",db: "admin"} ] } ) 5.3 创建测试账号 进入admin数据库内,使用admin账号验证登录。 代码语言:txt AI代码解释 > use admin; switched to db admin > db.auth("admin", "admin") 1 在在mongodb内创建huawei...
[root@master ~]# systemctl status mongod● mongod.service - MongoDB Database Server Loaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled) Active: active (running) since Wed2023-09-1316:38:48CST;44s ago ...
MongoDBDatabaseCreateUpdateParameters.type() Returns: the type value.validate public void validate() Validates the instance. Overrides: MongoDBDatabaseCreateUpdateParameters.validate() withLocation public MongoDBDatabaseCreateUpdateParameters withLocation(String location) Overrides: MongoDBDataba...
0.1:27017 -d mydb -o /usr/local mongorestore -h localhost -u root -p 123456 --db mydb /dump/mydb --authenticationDatabase admin 创建用户 use admin; db.createUser( { user: "账号", pwd: "密码", roles: [ { role: "角色", db: "安全认证的数据库" }, { role: "角色", ...
return new MongoTemplate(mongoClient(), "mydatabase"); } } There are several overloaded constructors of MongoTemplate: MongoTemplate(MongoClient mongo, String databaseName): Takes the MongoClient object and the default database name to operate against. ...