# \[SPARQL Fun\]: joins and NULLs

**URL:** <https://community.stardog.com/t/sparql-fun-joins-and-nulls/3330>\
**Category:** Tips and Tricks\
**Created:** [October 21, 2021, 4:41pm UTC](https://community.stardog.com/t/sparql-fun-joins-and-nulls/3330 "2021-10-21T16:41:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![pavel](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.stardog.com/pavel/32/18_2.png) [@pavel](https://community.stardog.com/u/pavel)\
**Post date:** [October 21, 2021, 4:41pm UTC](https://community.stardog.com/t/sparql-fun-joins-and-nulls/3330/1 "2021-10-21T16:41:12Z")

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Hey there,

Not exactly a short tip or trick this time so it went to the Stardog Labs blog: [Joins and NULLs in SPARQL](https://www.stardog.com/labs/blog/joins-and-nulls-in-sparql/)

Happy to discuss here so feel free to drop any questions.

Cheers,  
Pavel