mongodb Archives - Page 10 of 11

Checking if a field contains a string

I’m looking for an operator, which allows me to check, if the value of a field contains a certain string. Something like: db.users.findOne({$contains:{"username":"son"}}) ...

April 29, 2022
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Find document with array that contains a specific value

If I have this schema… person = { name : String, favoriteFoods : Array } … where the favoriteFoods array is populated with ...

April 29, 2022
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How to get the last N records in mongodb?

I can’t find anywhere it has been documented this. By default, the find() operation will get the records from beginning. How can I ...

April 29, 2022
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Find MongoDB records where array field is not empty

All of my records have a field called “pictures”. This field is an array of strings. I now want the newest 10 records ...

April 28, 2022
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When to use CouchDB over MongoDB and vice versa

I am stuck between these two NoSQL databases. In my project I will be creating a database within a database. For example, I ...

April 28, 2022
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MongoDB vs. Cassandra [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question ...

April 23, 2022
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MongoDB vs. Cassandra [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question ...

April 23, 2022
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MongoDB vs. Cassandra [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question ...

April 23, 2022
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Query for documents where array size is greater than 1

I have a MongoDB collection with documents in the following format: { "_id" : ObjectId("4e8ae86d08101908e1000001"), "name" : ["Name"], "zipcode" :...

April 20, 2022
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How can I list all collections in the MongoDB shell?

In the MongoDB shell, how do I list all collections for the current database that I’m using? 23 s 23 You can do… ...

April 19, 2022
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