# How to map between IFC and Product Data Templates in buildingSMART Data Dictionary (bSDD)?

**URL:** <https://forums.buildingsmart.org/t/how-to-map-between-ifc-and-product-data-templates-in-buildingsmart-data-dictionary-bsdd/1475>\
**Category:** Developers\
**Created:** [June 6, 2019, 6:33am UTC](https://forums.buildingsmart.org/t/how-to-map-between-ifc-and-product-data-templates-in-buildingsmart-data-dictionary-bsdd/1475 "2019-06-06T06:33:44Z")\
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**Author:** ![ReD\_CoDE](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.buildingsmart.org/red_code/32/226_2.png) [@ReD\_CoDE](https://forums.buildingsmart.org/u/ReD_CoDE)\
**Post date:** [June 16, 2019, 6:55pm UTC](https://forums.buildingsmart.org/t/how-to-map-between-ifc-and-product-data-templates-in-buildingsmart-data-dictionary-bsdd/1475/4 "2019-06-16T18:55:17Z")

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We have the same approach and has started to focus on SQLite schema development

SQL schema will reduce entities and other classes which will bring a better performance

I think SQLite is great to develop schemas and databases based on  
And JSON is good for real-time usages like IoT usages

> [@IFC SQLite Project](https://forums.buildingsmart.org/t/ifc-sqlite-project/1359):
>
> Dear friends, Do you think finishing some unfinished projects like IFC SQLite will help and speed up IFC development and implementation or not? Some say yes and some say no Would be happy to hear from you, Kind regards, Ehsan Azari

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