Tagged Questions
3
votes
1answer
46 views
Sharded key-value store using MongoDB
Would like to set up a key-value store that is sharded across multiple machines.
We are currently using MongoDB, is there a reason why we shouldn't use MongoDB for this purpose?
We also use Redis, ...
1
vote
3answers
111 views
Relational vs Non-Relational Database for Events Database
I'm trying to find out whether an SQL or no-SQL solution would be better for creating an events database. I'm creating a ticketing system, similar to ticket master. I know that for either ...
1
vote
2answers
131 views
To find a version for your pc check with the software publisher install mongodb
I want to install MongoDb on windows 8 but when i try to run C:\mongodb\bin\mongod.exeiget this error:
To find a version for your pc check with the software publisher.
26
votes
5answers
2k views
Which database could handle storage of billions/trillions of records?
We are looking at developing a tool to capture and analyze netflow data, of which we gather tremendous amounts of. Each day we capture about ~1.4 billion flow records which would look like this in ...
0
votes
0answers
35 views
MongoDB: Aggregation workaround by helper collection
Since I regularly run against mongodb's document size limit and also aggregation framework's group limitations >16M, depending on the amount of data I need to process, I look for a simple workaround.
...
1
vote
1answer
129 views
Books to start with big data [closed]
I would like to start learning about the big data technologies. I work in this area in the future. Does anyone know good books to start learning about it? Hadoop, HBase.
Beginner -
intermediate -
...
10
votes
1answer
839 views
How do databases store index key values (on-disk) for variable length fields?
Context
This question pertains to the low-level implementation details of indexes in both SQL and NoSQL database systems. Actual structure of the index (B+ tree, hash, SSTable, etc.) is irrelevant as ...
6
votes
2answers
192 views
Is there any way to efficiently perform the equivalent of DENSE_RANK in MongoDB?
SQL Server and Oracle both have DENSE_RANK functions. Is there a way to do something similar in MongoDB without having to resort to MapReduce? In other words, suppose you have a T-SQL select clause ...
13
votes
2answers
828 views
CouchDB vs MongoDB [closed]
Evaluating document-oriented storage, what are the pros and cons of CouchDB vs MongoDB?
