下面是将以上步骤整合在一起的示例代码: importpymongo# 连接到 MongoDB 服务器client=pymongo.MongoClient("mongodb://localhost:27017/")# 获取数据库db=client["mydatabase"]# 获取集合列表collection_list=db.list_collection_names()# 输出集合名称forcollection_nameincollection_list:print(collection_name) 1...
constmongoose=require('mongoose');// 连接到 MongoDB 数据库mongoose.connect('mongodb://localhost:27017/mydatabase',{useNewUrlParser:true,useUnifiedTopology:true});// 定义一个 SchemaconstuserSchema=newmongoose.Schema({name:String,age:Number,email:String});// 创建一个 ModelconstUser=mongoose.mode...
"ClientName" : "David", "ClientCountryName" : "AUS" } 这是从MongoDB中删除具有特殊字符的集合的查询- > db.getCollection("_personalInformation").drop(); 以下是输出- True 结果TRUE表示我们已经从MongoDB中完全删除了该集合。 如果建表时,mongoDB collection name 包含特殊字符,如\,/等,这样在使用mon...
MongoDB修改数据库名,collection名 利用dropDatabase,copyDatabase修改Database名称 db.copyDatabase('old_name','new_name'); use old_name db.dropDatabase(); 利用renameCollection修改collection名称 1 db.adminCommand({renameCollection:"db.collection1", to:"db.collection2"})...
详细了解 Microsoft.Azure.Management.DataFactories.Models 命名空间中的 Microsoft.Azure.Management.DataFactories.Models.MongoDbCollectionDataset.CollectionName。
MongoDB 3.4 版本 renameCollection is suitable for production environments; however: renameCollection blocks all database activity for the duration of the operation. renameCollection is not compatible with sharded collections. renameCollection fails if is the name of an existing collection and you do no...
MongoDB 3.4 版本 renameCollection is suitable for production environments; however: renameCollection blocks all database activity for the duration of the operation. renameCollection is not compatible with sharded collections. renameCollection fails if is the name of an existing collection and you do no...
currentOpoutput, in thecommand.commentfield. A comment can be any validBSON type(string, integer, object, array, etc). Newin version4.4. Behavior Sharded Collections Starting in MongoDB 5.0, you can use therenameCollectioncommand to change the name of a sharded collection. The target database...
不易出错:使用lambda表达式指定filter,在编译时就确定了field name 代码简捷:不需要手动在class和bsondocument之间转换。 LINQ语法支持:这一点在使用aggregation的时候极为便捷,一行代码就能处理十行的一个aggregation pipeline。 IgnoreExtraElements Convention 大部分MongoDB新用户想必都会遇到如下错误: Element '_id' do...
Enter the collection name. 3 Click theAdditional preferencesdropdown. Check theUse Custom Collatonoption. 4 Select a value forlocale. You are required to select alocalefrom theMongoDB supported languages. All other collation options parameters are optional. For descriptions of the fields, seeCollatio...