# How does juliaDB store data on disk? Is it a row store or a column store?

**URL:** https://discourse.julialang.org/t/how-does-juliadb-store-data-on-disk-is-it-a-row-store-or-a-column-store/10339
**Category:** Data
**Created:** [April 14, 2018, 6:23pm UTC](https://discourse.julialang.org/t/how-does-juliadb-store-data-on-disk-is-it-a-row-store-or-a-column-store/10339 "2018-04-14T18:23:23Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Steven\_Sagaert](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/steven_sagaert/32/29578_2.png) [@Steven\_Sagaert](https://discourse.julialang.org/u/Steven_Sagaert)
#### Post date: [April 14, 2018, 6:23pm UTC](https://discourse.julialang.org/t/how-does-juliadb-store-data-on-disk-is-it-a-row-store-or-a-column-store/10339/1 "2018-04-14T18:23:23Z")

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What is the storage format?  
By column store I mean [Column-oriented DBMS - Wikipedia](https://en.wikipedia.org/wiki/Column-oriented_DBMS)

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### Author: ![shashi](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/shashi/32/1824_2.png) [@shashi](https://discourse.julialang.org/u/shashi)
#### Post date: [April 15, 2018, 6:32am UTC](https://discourse.julialang.org/t/how-does-juliadb-store-data-on-disk-is-it-a-row-store-or-a-column-store/10339/2 "2018-04-15T06:32:07Z")

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It’s column oriented.