Questions tagged [column-oriented]
Column-oriented data storage holds all the values for one attribute contiguously on the storage medium. This arrangement facilitates aggregates but is less efficient when updating existing data.
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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 ...
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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 ...
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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 ...
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