# What's the difference between PostgreSQL array type vs array in json?

**URL:** <https://forum.elixirforum.com/t/whats-the-difference-between-postgresql-array-type-vs-array-in-json/13018>\
**Category:** Questions\
**Created:** [March 12, 2018, 2:27am UTC](https://forum.elixirforum.com/t/whats-the-difference-between-postgresql-array-type-vs-array-in-json/13018 "2018-03-12T02:27:22Z")\
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**Author:** ![irrigator](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/irrigator/32/8040_2.png) [@irrigator](https://forum.elixirforum.com/u/irrigator)\
**Post date:** [March 12, 2018, 2:48am UTC](https://forum.elixirforum.com/t/whats-the-difference-between-postgresql-array-type-vs-array-in-json/13018/3 "2018-03-12T02:48:51Z")

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Thanks for your reply! Will read the linked article.

> But as always its the data structure, desired normalisation and expected access paths the determine which one is more appropriate.

Totally agree.

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