# Converting null SQL values

**URL:** <https://discuss.elastic.co/t/converting-null-sql-values/255452>\
**Category:** Kibana\
**Tags:** canvas\
**Created:** [November 15, 2020, 9:54pm UTC](https://discuss.elastic.co/t/converting-null-sql-values/255452 "2020-11-15T21:54:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Hugo\_Pires](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/hugo_pires/32/68069_2.png) [@Hugo\_Pires](https://discuss.elastic.co/u/Hugo_Pires)\
**Post date:** [November 15, 2020, 9:54pm UTC](https://discuss.elastic.co/t/converting-null-sql-values/255452/1 "2020-11-15T21:54:28Z")

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Hello

When an SQL query return `null`, how can I convert it to `0`?

Thank you

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<div class="post-metadata">

**Author:** ![Hugo\_Pires](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/hugo_pires/32/68069_2.png) [@Hugo\_Pires](https://discuss.elastic.co/u/Hugo_Pires)\
**Post date:** [November 23, 2020, 5:01pm UTC](https://discuss.elastic.co/t/converting-null-sql-values/255452/2 "2020-11-23T17:01:48Z")

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I've found a solution using `COALESCE`.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 21, 2020, 5:01pm UTC](https://discuss.elastic.co/t/converting-null-sql-values/255452/3 "2020-12-21T17:01:51Z")

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