database nosql

I have a background working with relational databases but recently started to dabble in CouchDB and was surprised by how some non-relational…

I am trying to understand the concept of document storage and fail to see how it would apply to some situations. For example, in the case of a…

I'm new to databases, and is exploring SQL vs noSQL. What kind of data is highly relational and benefits from SQL and what kind of data does not?…

I'm looking to implement a system that searches for duplicate entries before saving new entries, mostly by IP address. Since NoSQL databases have…

I have a MySql table which consists of: ~25million rows (CURRENTLY) 3 indexes Each day, a crawler adds ~3million rows I'm currently not looking too…

I have played with MongoDB a little and wondered is there every going to be, or can there even be a database which passes by reference or pointer.…

I am developing a issue logger for my project and am running into an issue when analyzing the logged data. The problem being that this table grows…

For an application written in Scala I'm looking for the 'best' database system for the following requirements: Good support for queries like: For a…

I've been researching a lot of different databases and trying to find what each of them are really good at doing. I realize that in the end you…

This is similar to another question that was asked, but there are key differences in my requirements. I need to store billions of rows, but they…

We're designing an OLTP financial system. it should be able to support 10.000 transactions per second and have reporting features. So we have come…

I'm currently running multiple redis instances on one box. Each have their own config, init.d, and listen on different ports. My application(s) have…

I had always thought that Mongo had excellent performance with it's mapreduce functionality, but am now reading that it is a slow implementation of…

Hi all, I try to understand which problems are better to solve with mongodb. Maybe someone can provide link to some article about where it's better…

I need a CouchDB view where I can get back all the documents that don't have an arbitrary field. This is easy to do if you know in advance what…

Hey folks, I'm testing a little bit with mongoDB. I've created a database with a high amount of data (approx 5 million documents). When I start a…

Hi there, I'm looking at NoSQL for extremely high volumes of data. We're storing cached versions of webpage text in MySQL at the moment, but it…

With the two merging under the same roof recently, it has become difficult to determine what the major differences between Membase and Couchbase.…

In couchdb, I know you can pass it a key or a range to return records, but I want to do something like this.... find x records that are x values. So…

What are the main motivations behind the invention of NoSQL Databases? Your point of view would help my research on NoSQL databases.