Update examples/official-site/your-first-sql-website/extensions-to-sql.md

Co-authored-by: Ophir LOJKINE <[email protected]>

Author: ppom0

examples/official-site/your-first-sql-website/extensions-to-sql.md

@@ -127,7 +127,7 @@ VALUES (1, 2), (3, 4);
 This can be more convenient, but should only be used for small values, because data
 is copied from the database into SQLPage memory, and to the database again at each use.
 
-You can use the JSON functions from your database.
+You can use the [JSON functions from your database](/blog.sql?post=JSON in SQL%3A A Comprehensive Guide).
 Here are some examples with SQLite:
 ```sql
 -- CREATE TABLE my_table(a, b);