[Qgis-user] Select by Expression: exclusive (not inclusive)

[Andrew Hughes]

Thanks Marco,

You've answered my question, so thank you. For reference, I've never see
this in any sql rmdbs.

Some examples my help the community, hopefully I will be able to contribute
sooner or later.

Thanks again!
Andrew


On Wed, 7 Jul 2021 at 17:43, GMAIL <casalbonim at gmail.com> wrote:

> This is how sql works.
> You want to apply a function to one column, and the column you are
> comparing must have a value.
> Consider this: tag_service != 'xxx' or null != 'xxx'. Null can't be
> equal or unequal to any value. Even null = null or null != null returns
> false
>
> hth
> marco
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