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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8 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
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1answer
28 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
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0answers
17 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
17 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
41 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
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1answer
39 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
247 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
59 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, ...
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0answers
41 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?
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1answer
115 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 ...
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3answers
157 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
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2answers
210 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.
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0answers
60 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 ...
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0answers
58 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 ...
-2
votes
1answer
37 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 ...
27
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
44 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
52 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
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3answers
143 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, ...
33
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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
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2answers
749 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 ...
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0answers
25 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 ...
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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 ...
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0answers
38 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
182 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
170 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
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1answer
131 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
88 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 ...
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2answers
118 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 ...
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votes
1answer
220 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
150 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
121 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
379 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
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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
159 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 ...
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2answers
786 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
165 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
559 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
312 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
374 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
375 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
176 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 ...
0
votes
1answer
205 views

Cassandra cqlsh browser queries possible only in bytes

I am using Cassandra database through cqlsh client on Linux. I can make only queries with values given as bytes, but I would like to search with the client like in SQL where everything is Strings. ...
11
votes
3answers
253 views

What are the canonical NoSQL resources for people who never used this technology?

I am getting more and more interested by the NoSQL technology and I can read several posts on SE about how it works and the different products available. However, I wonder if there are some canonical ...
3
votes
2answers
164 views

Database choices for big data

I have many text files, their total size is about 300GB ~ 400GB. They are all in this format key1 value_a key1 value_b key1 value_c key2 value_d key3 value_e .... each line is composed by a key and ...
1
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1answer
490 views

What is different bettween Cassandra NoSQL data model and SQL data model

can any one tell. cassandra data model and sql data model how we can define row and column with cassandra data model?
2
votes
1answer
151 views

Building a custom database in C with/without SQL? [closed]

Provide link or tutorials to build a custom database management in C. I am looking for Full Text Search options of about 10GB DB.
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0answers
165 views

Full Text Search with Encryption SQL Vs NoSQL? [closed]

Can any tell Which will be better for online and offline projects

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