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MongoDB mapreduce

I'm new to programming and mongoDB and learning as I go, I'm attempting a mapreduce on a dataset using mongoDB. So far I've converted the csv to json and imported it into a mongoDB using compass. In ...
2
votes
1answer
2k views

Why is elastic search popular? [closed]

Elastic search is basically about indexing of data. In database world, Multiple indexes can be created on a MongoDB collection Collection in MongoDB can be schema-less. In MongoDB, BSON encoding ...
-1
votes
2answers
1k views

MySQL 5.7 json type or MongoDB document?

I'am working on a project that use MySQL as RDBMS. Recently, we have to manipulate a big json data. So, the first solution that comes in mind, and for many reasons, is to cooperate mongoDB with Mysql ...
1
vote
2answers
377 views

Creating a web application with full text search on dynamic data

Even after thorough requirements engineering we end up with users wanting to attach 'notes' to their otherwise well-structured data records, in other words: arbitrary key-value pairs. Their primary ...
11
votes
2answers
5k views

Inserting JSON document with `.` in key to MongoDB

Firstly, this is more of a design question than a programming question. I am creating an application where I have to fetch existing JSON data and insert it into MongoDB. I found that some of the the ...