In the MongoDB shell, our data should look similar to this: db.list.findOne() Now, let's log into our MongoDB shell and look at our documents.
One you've run mongoimport in the terminal, you should see that 559 documents have been successfully imported into your database. mongoimport -host aws-us-west-2-portal.0. -port 99999 -db banks -collection list -ssl -sslAllowInvalidCertificates -u user -p mypass -type csv -headerline -file banklist.csv Make sure to use the credentials for your deployment. To insert the CSV file, we'll be using mongoimport to create a database called banks and a collection called list. We've altered the list for this article to include duplicate banks, so our list now includes 559 banks which can be downloaded here.Īfter downloading the CSV file, let's import the file into our Compose MongoDB deployment. The dataset that we will be using is a CSV file containing a list of 550 failed banks compiled by the Federal Deposit Insurance Corporation (FDIC). In other words, MongoDB lets you select fields and group together documents based on your selection in order to find duplicate documents. MongoDB's aggregation pipeline makes finding duplicate documents easier by allowing you to customize how documents are grouped together and filtered.
MONGODB COMPASS FILTER BY ID HOW TO
Need to find duplicate documents in your MongoDB database? This article will show you how to find duplicate documents in your existing database using MongoDB's aggregation pipeline.įinding duplicate values in your database can be difficult, especially if you have millions of documents to look at. Finding Duplicate Documents in MongoDB mongodb aggregation deduplication Free 30 Day Trial
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