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Questions tagged [column-oriented]

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1
vote
1answer
415 views

What is a technical value?

I'm trying to get my head around the following Kaggle competition: https://www.kaggle.com/c/two-sigma-financial-modeling/data The data is a frame made up of various columns, with a tuple structure ...
13
votes
2answers
5k views

Why use a column database for tick/bar data?

I often hear that column-oriented databases are the best choice method for storing time series data in finance applications. Especially by people selling expensive column-oriented databases. Yet, at ...
71
votes
9answers
31k views

Efficiently storing real-time intraday data in an application agnostic way

What would be the best approach to handle real-time intraday data storage? For personal research I've always imported from flat files only into memory (historical EOD), so I don't have much ...