# 3 small qestions , plz help

**URL:** <https://forum.kirupa.com/t/3-small-qestions-plz-help/280185>\
**Category:** programming\
**Created:** [January 23, 2009, 8:38pm UTC](https://forum.kirupa.com/t/3-small-qestions-plz-help/280185 "2009-01-23T20:38:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![darroosh](https://avatars.discourse-cdn.com/v4/letter/d/a88e4f/32.png) [@darroosh](https://forum.kirupa.com/u/darroosh)\
**Post date:** [January 23, 2009, 8:38pm UTC](https://forum.kirupa.com/t/3-small-qestions-plz-help/280185/1 "2009-01-23T20:38:20Z")

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Hi all ,

I’ve three small MySql qeus. :

what does " [COLOR=blue]single precision[/COLOR]" means and what’s [COLOR=blue]double precision[/COLOR] ?

what’s the [COLOR=blue]fixed point[/COLOR] and what’s [COLOR=blue]float point[/COLOR] ?

and finally plz anyone simplify [COLOR=blue]double vs float[/COLOR] in mysql " in practical use " ?