MongoDB Study Notes 2-data import from MongoDB Databases

Source: Internet
Author: User

1. Import CSV data
The content of the user.csv file is as follows:
_ Id, name, age
ObjectID (4eed9f9ca939118694cf05e4), "ming", 10
ObjectID (4ef1f3cf3bd18218e6bdfa31), "lisi", 20
You can import the data in user.csv to the user set of the localdb database in the following way:
> Export Import-d localdb-c user -- type csv -- file user.csv -- headerline -- upsert
2. import data in json format
The data in the user. dat file is in json format and the content is:
{"_ Id": "ObjectID (4eed9f9ca939118694cf05e4)", "name": "ming", "age": 10}
{"_ Id": "ObjectID (4ef1f3cf3bd18218e6bdfa31)", "name": "lisi", "age": 20}
You can import the data as follows:
> Export Import-d localdb-c user <user. dat
3. Parameter meaning
-D: Specifies the database to which the data is imported.
-C: Specifies the collection to which the data is imported.
-- Type specifies the imported data type
-- File: Specifies the file from which data is imported.
-- Headerline is only applicable to importing csv and tsv data, indicating that the first row in the file is used as the data header.
-- Upsert: import data by adding or updating data.

Related Article

E-Commerce Solutions

Leverage the same tools powering the Alibaba Ecosystem

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.