# Multiple operation on single column

**URL:** <https://community.influxdata.com/t/multiple-operation-on-single-column/17010>\
**Category:** InfluxDB 2\
**Tags:** influxdb, flux\
**Created:** [December 1, 2020, 5:48am UTC](https://community.influxdata.com/t/multiple-operation-on-single-column/17010 "2020-12-01T05:48:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ravikant\_Gautam](https://sea1.discourse-cdn.com/flex023/user_avatar/community.influxdata.com/ravikant_gautam/32/5700_2.png) [@Ravikant\_Gautam](https://community.influxdata.com/u/Ravikant_Gautam)\
**Post date:** [December 1, 2020, 5:48am UTC](https://community.influxdata.com/t/multiple-operation-on-single-column/17010/1 "2020-12-01T05:48:27Z")

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Hi,

Trying to recreate some of the basics in Flux compared to InfluxQL is quite a stretch at present.

I can’t work out how to ask for multiple projections.

```auto
select max(temp) - min(temp) from my_measurement

```

I’m not sure how to go about this in Flux.

Thanks