A catch-all term describing database systems using various non-relational models. Such systems are usually engineered to be high-performance.

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9 views

Missing reference in elasticsearch

After a server restart, my elasticsearch indices aren't working properly. If do I search of data before the system start, everything works just fine. If I insert new data, not a problem. If I search ...
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0answers
20 views

Advice on NoSQL (Google App Engine NDB) Schema?

Some background: I am very much a novice at anything database related, my knowledge caps at creating a very basic blog with MySQL. I am currently switching from PHP/MySQL to Python and as of now I am ...
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0answers
10 views

Is it possible to integrate Oracle NoSQL Enterprise solution with Google app engine. If yes, then how..? [closed]

Integration Google App engine and oracle NOSql for enterprise application.
2
votes
1answer
77 views

If foreign keys/cascade deletes are bad, why use a database-server with that feature?

I noticed wordpress/rails etc do not use foreign keys constraint or cascade deletes features from database. Instead they handle this in PHP/Ruby/scripting level! I have read this and this. Most ...
1
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0answers
19 views

Store large hierarchy in NoSQL each day and compare

I'm in the process of creating a utility that stores a fairly large hierarchy into a NoSQL document. The data of this is similar to an Active Directory / LDAP structure which contains sub groupings, ...
4
votes
4answers
102 views

In Memory Database for high transaction and volume spikes on a website [closed]

I am looking at the IA for a hypothetical application scenario, for example: A high demand application such as an online ticketing website where there can be demand for 100,000 tickets to be ...
0
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2answers
40 views

Storing dynamic data in NoSQL

I have scenario where I need to store unstructured data but the rest of my data is structured and relational. An example of the type of unstructured data is as explained below: User Type 1: How do ...
-2
votes
1answer
32 views

Why Hypertable is not supporting joins and Transaction? [closed]

I have read the following topic about hpertable http://hypertable.com/documentation/. Why Hypertable is not supporting joins and Transaction?
-3
votes
0answers
18 views

Why we use Hadoop in Hypertable? [closed]

What is the relation between hadoop and hypertable? Is it necessary in Hypertable? I am a fresher in this topic . Iahve referd the following site http://hypertable.com/documentation/ But not getting a ...
0
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1answer
29 views

UTF8 vs ASCII or custom binary format: high-performance optimization on very big tables

The summary of my question is whether there are advantages, even if minimal, to use ASCII, or even a smaller format designed yet created specifically for the situation, instead of UTF-8 for strings. ...
-1
votes
0answers
44 views

which database suitable for huge inserts for analytics system [closed]

I want to develop a analytics system for very high traffic web sites, that records many behaviors of users. I want to choose a proper database for doing it well. This database must suitable for huge ...
1
vote
1answer
44 views

How would I change this relational model to fit a nosql database?

Because of things beyond my control, I have to switch from a relational database to MongoDB for the advertising platform I'm helping to build. I've got a relational schema sketched out, but I'm unsure ...
7
votes
3answers
283 views

Choosing a database for storing large amount of data and allowing for thousands of writes

I am working on a project that has some serious requirements regarding its database and having hard time choosing the best solution. The details are: Database will easily reach tens of terabytes of ...
3
votes
1answer
68 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, ...
0
votes
0answers
61 views

What is advantages and disadvantages in Horizontal Scaling and Vertical Scaling? [closed]

one of the excellence in nosql is Vertical Scaling but i want to know What is advantages and disadvantages in Horizontal Scaling and Vertical Scaling?
1
vote
1answer
125 views

Switching to NoSQL for native JSON use?

I am rather comfortable writing concrete schemas with explicit primary keys, foreign keys, indexes, views and stored procedures. For queuing I use a NoSQL solution called: Redis. Recently I heard a ...
1
vote
3answers
201 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
307 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.
0
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0answers
62 views

Use cases for NoSQL databases: Time series

I need to set up a database that will record temporal series data (sensors). A friend of mine has recommended me to use a NoSQL database instead of using Oracle (for instance). There're also some ...
1
vote
0answers
59 views

Real Time data collection - Help select Database

My Scenario: I want to collect data from various sensors[for now I have 600 sensors sending data, but this may have to scale up to 3000 more data sensors, all sensors send real time data] Now I have ...
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votes
1answer
44 views

limitations of key-values store on top of mysql table [closed]

Consider some implementation of key-value store on top of one mysql table with only two field "key" and "value". Would this be a "good" key-values store, or creating it on top of mysql would have some ...
28
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 ...
1
vote
1answer
47 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. ...
3
votes
1answer
41 views

Create Scheme that allows for fluidity between entities

We are a small rapidly evolving company and recently investigated switching databases from SQL Server to a graph database. We like the graph approach because of the fluidity and openness that it ...
2
votes
1answer
58 views

What fillfactor for caching table?

I have heavily updated / accessed table where I store serialized java objects. They are in the table for 2-3 hours (also are being updated during that period) and then removed. Size of table is around ...
0
votes
3answers
151 views

Would a NoSQL solution be relevant for a real-time mobile game?

Developing an iOS/Android/WP real time game. Server side stuff will be done in Javascript using Node.js. It will be a trivia with 8-players rooms + an admin site made in Python with Flask (for stats, ...
34
votes
5answers
3k views

Why can't RDBM's cluster the way NoSQL does?

One of the big plusses for nosql DBMS is that they can cluster more easily. Supposedly with NoSQL you can create hundreds of cheap machines that store different pieces of data and query it all at ...
0
votes
2answers
834 views

NoSQL, CouchDB vs. CouchBase, What should i do?

I started to encounter some issues on my production site, when having a web page that needs to load a very big ResultSet (currently coming from relational database, MySQL) it takes forever, and ...
-2
votes
1answer
57 views

NOSQL Database for [closed]

can anybody say me if I use NOSQL database and then kind of database should I use for development of a salary benchmarking website like glassdoor? Should that be MongoDB or Neo4j database, which is ...
0
votes
0answers
26 views

Neo4j recommended settings

I have rented a Joyent SmartOS machine to host a Neo4j server for my project. The machine is the Extra Small 0.5 GB (1 vCPU) which means it has 512 Megabytes RAM. What would you recommend instead of ...
1
vote
1answer
104 views

is it reasonable to use NoSQL for my project

Imagine you want to write a webapp for selling your car online. A car has a lot of attributes. Like how many doors, color, aircondition, etc. Some of them are simple boolean values, others might need ...
0
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0answers
42 views

is HyperTable timestamp sensitive to Y2038?

I've been investigating HyperTable to find out more about it's TimeStamp field, i'm still wondering at which future date will the timestamp field wrap around?
2
votes
2answers
198 views

How well, if at all, does Oracle NoSQL database integrate with Oracle RDBMS?

I currently have an application which runs on Oracle RDBMS and an area of new functionality which would be better supported by a NoSQL store. I am wondering if Oracle NoSQL Database may be a good ...
2
votes
2answers
176 views

Should I use SQL or NoSQL for this specific design (surveys)?

Building a small web application to create satisfaction surveys with a default list of questions and responses. The application is for a small audience of people (5,000 max) with surveys sent out when ...
1
vote
1answer
133 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 - ...
0
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0answers
90 views

Database (open source) for complex queries (for analytics) like these:

In an app, I'll be storing information about events, specifically, session_id url time type data: foo: bar bar: foo The data will basically be a hashmap (need to support arbitrary types / names ...
1
vote
2answers
125 views

Can graph databases be easily distributed?

I have never worked with graph databases such as neo4j, I would like to know if they support easily replication and clustered distribution as well as key-values databases, or if there inherent ...
-1
votes
1answer
222 views

Database for an application similar to Chatroulette

I am making an app that is similar to Chatroulette. When a user starts the app it finds someone that is not currently talking to anyone and have them talk to each other. At any point a user could ...
0
votes
1answer
163 views

DynamoDB: searching with primary key or range key, which way is faster?

To those familiar with DynamoDB, I'm trying to make a table where items only have 2 entries. For example, . Most of the time I'll be searching the user_id with a facebook_id on hand. Amazon's ...
2
votes
0answers
123 views

Strugling with updating a cassandra row in FluentCassandra

I have this problem with using Fluent Cassandra in a test application. All I want to do is set the IsOnline field to true inside the SignIn method, but I keep getting the exception supercolumn ...
3
votes
2answers
388 views

Scalable DBaaS that can scale to hundreds of terabytes with easy backup and restore

I've gone over many DBaaS solutions, including Xeround (limited to 50G, in memory), NuoDB (currently in beta 7), DrawnToScale (not out yet), MongoDB (in memory), RavenDB (for ASP.NET, but NoSQL) and ...
1
vote
1answer
85 views

Is it possible to query “NOT IN” in NO SQL?

I asked the same thing about a specific NoSql engine (Big Table) on SO. It seems that Big Table doesn't support NOT IN queries? Is that possible in any other NoSQL databases? Will it ever be possible ...
2
votes
1answer
162 views

Which database?

We have to launch a new service in my company with a big database. And I currently don't have that much knowledge. We did a small preview of the service and our biggest table had more than 2 100 000 ...
0
votes
2answers
865 views

How to manage a huge database?

We are building a service witch require a huge database. We are actually planning on getting more than 100 millions rows in our biggest table. So, what are the best options to store all this data in ...
3
votes
2answers
166 views

Which database system can break me free?

I am currently running a MySQL Database for logging and analyzing those logs. My current table schema looks like this: CREATE TABLE `mylogs` ( `transfer_id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT ...
6
votes
1answer
581 views

CAP Theorem vs. BASE (NoSQL)

CAP Theorem vs. BASE (NoSQL) Hi, I’m trying to write a small paper for my work about NoSQL and have described the CAP Theorem as, if not all, then most NoSQL databases adheres to. I later read a ...
2
votes
1answer
322 views

How to store GPS coordinate and search places in a radius from a NoSQL DBMS (like DynamoDB)

My team need a DBMS like DynamoDB to store large amount of data, principally places and coordinates. I've considered to use some GIS-based DBMS (like PostGIS) with an index on the POINT, but DynamoDB ...
3
votes
1answer
382 views

noSQL ACID and consistency for banking

We are building a real time banking platform and app. Our prime concern is safety and consistency of our data across multiple db servers. We need transactions and we can't afford to risk power ...
2
votes
4answers
389 views

Advice on choosing a really fast DBMS

I am working on a project that does real-time monitoring of data being transmitted, and logs if there are any of the various type of errors, etc. The CRUD operations are real-time. We initially ...
3
votes
1answer
179 views

to what “scale” of applications does nosql support?

Recently i came across the Nosql database concept, though i learnt how to and why of it, i did not get a proper answer to the question , to what scale of project does it support? Will it support ...

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