mongoDB创建数据库
时间: 2023-10-31 07:06:36 浏览: 137
在MongoDB中,可以使用以下命令来创建数据库:
1. 使用命令行方式:
```
$ mongo
> use your_database_name
```
2. 使用MongoDB的驱动程序:
```
// Node.js
var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/your_database_name";
MongoClient.connect(url, function(err, db) {
if (err) throw err;
console.log("Database created!");
db.close();
});
// Python
import pymongo
myclient = pymongo.MongoClient("mongodb://localhost:27017/")
mydb = myclient["your_database_name"]
print("Database created!")
```
需要注意的是,在MongoDB中,如果没有创建任何集合或者没有向集合中插入任何文档,那么该数据库将不会实际存在。只有在创建集合或者插入文档时,MongoDB才会在磁盘上创建相应的文件。
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