diff --git a/Synapse-database-maintenance-tools.md b/Synapse-database-maintenance-tools.md
index 35eda44..0a6be50 100644
--- a/Synapse-database-maintenance-tools.md
+++ b/Synapse-database-maintenance-tools.md
@@ -18,4 +18,7 @@ Cleans a synapse Postgres database of deleted messages and abandoned rooms.
 ## [synapse-delurlcache](https://github.com/zzottel/synapse-delurlcache)
 Delete images and thumbnails created by URL previews in Synapse
 
-NOTE: This is not required anymore as of Synapse 0.24, it now deletes those images by itself.
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+NOTE: This is not required anymore as of Synapse 0.24, it now deletes those images by itself.
+
+## [SQL queries for analyze Matrix Synapse database](https://github.com/matrix-org/synapse/wiki/SQL-queries-for-analyze-Matrix-Synapse-PosrgreSQL-database-stats)
+Some easy SQL queries that reports useful stat about Matrix Synapse database.
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