---
title: Blog | QuasarDB | asof
description: asof |
---

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# Blog

[![](https://blog.quasar.ai/hubfs/images_stocks-1.jpg)](https://blog.quasar.ai/timeseries-what-are-asof-joins)

## [Timeseries: what are ASOF joins?](https://blog.quasar.ai/timeseries-what-are-asof-joins)

 Posted by [Edouard](https://blog.quasar.ai/author/edouard) on 30 Jan 2020

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In [QuasarDB](https://www.quasardb.net/)3.5 we introduced ASOF joins. If you're new to timeseries databases, you may be confused about what ASOF joins are, and how useful they are.

[Read More](https://blog.quasar.ai/timeseries-what-are-asof-joins)

 Tags: [quasardb](https://blog.quasar.ai/tag/quasardb), [capital markets](https://blog.quasar.ai/tag/capital-markets), [asof](https://blog.quasar.ai/tag/asof)

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