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MySQL Cluster On Cloud vs MySQL Cluster On Dedicated Cluster

I saw this interesting article : http://mikaelronstrom.blogspot.com/2012/02/105bn-qpm-using-mysql-cluster-72.html and it made me get interested in MySQL Cluster. After little chat with hosting ...
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How to store many smallish time-series in a relational DB?

Input Data Multiple Tests Beds generate measurement data of various complexity. In it's most basic form, not considering any meta-data, one measurement on a Test Bed will be a small (1 - a few ...
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2answers
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A Huge Database: Picking the right schema and data model

We want to store some genomic variant data but there are some problems, more important ones like problem of the data's immense size and variability. 1) Variant data can be huge. For example, a single ...
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2answers
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Which is better for long term database scalability: adding columns or having key/value store

For application, which has few (5-10) settings at the moment but will have a lot more (up to 100) in the future which would be better approach: to add new columns to settings table every time new ...
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3answers
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Is it OK to create hundreds of databases in SQL Azure versus one big one and run the risk of deadlocking

I need to create highly scalable solution - where field devices in thousands of sites are delivering data in real time to a back end system, and SQL Azure seems to fit the bill nicely in terms of ...
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1answer
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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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Why can't relational databases meet the scales of Big Data?

It is often repeated that the Big Data problem is that relational databases can not scale to process the massive volumes of data that are now being created. But what are these scalability limitations ...
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Database suggestion for a social network/ knowledge base community?

I am looking into various database types and DBMS's for a new project I am wanting to start in the summer. I have built systems in MySQL and postgreSQL , now I am wanting to expand my knowledge and ...
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MySQL tables/databases into different disks

I am aware that there is a possibility to have a single database server with many tables/databases, and you can separate some of those tables/databases into separate disks. Lets say you have 5 ...
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3answers
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SQL Server - Multiple running totals

I've got a base table with transactions and I need to create a table with running totals. I need them to be per account and and also have a few running totals for each account (depending on the ...
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How does one scale SQL Server 2008 or 2012?

How does one scale SQL Server 2008 (or 2012)? At its basic, I understand there are two options: Scale up: If CPU bound, I can clearly see going from 1 CPU core to 2 to 4. Or if RAM usage rockets, ...
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1answer
776 views

Database as a service (DbaaS) over dimensions--performance, scalability, & reliability?

MySql Database as a service: Amazon Xeround Another eg. PostgreSQL Database-as-a-Service. You can get the list of similar products here. Does anyone have details on their performance, ...
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1answer
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64 bit Postgres 9.1 Limitions on Windows 2008 R2?

When Deploying Postgres on Windows Server 2008 R2: Are there any limitations on windows that don't exist on Linux? Does the postgres scale in the same way on windows as it does on Linux? Is ...
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1answer
197 views

Multiple Partition Keys?

This is a follow-on from a previous question. I've never worked with SQL Server partitioning but I currently faced with designing a database for which the volumes probably warrant it. The system is ...
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3answers
1k views

Are there any in-memory NoSQL databases?

Given that NoSQL databases are designed to support horizontal scalability by throwing in more servers, are there any that are designed to do entirely without persistent disk storage? I'm looking at ...
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Testing stored procedure scalability

I have an email application that will be called upon to deliver to the UI the number of new messages for a given user on each page load. I have a few variations of things I am testing on the DB level ...
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3answers
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What does horizontal scaling mean?

In database context, I have come across horizontal scalability as one of the advantages of the NOSQL databases. What does the term mean? http://en.wikipedia.org/wiki/CouchDB ...