diff --git a/README.md b/README.md
index 9d2da5a..819c02c 100644
--- a/README.md
+++ b/README.md
@@ -199,6 +199,8 @@ For instance, take into account the snaptshot above. If you already know how to
           * [Introduction to Sharding - B's March (MongoDB Focused)](https://www.youtube.com/watch?v=4upppuW7lGE) 📼 🆓
           * [Sharding & Database Partitioning | System Design Basics](https://www.youtube.com/watch?v=RynPj8C0BXA) 📼 🆓
           * [System Design - Sharding | Data Partitioning](https://www.youtube.com/watch?v=yNrVexoEnFM) 📼 🆓
+         * Operating
+           * [Your Database Connection Deserves A Name - Andy Grunwald](https://andygrunwald.com/blog/your-database-connection-deserves-a-name/) 📰 🆓
       * SQL
         * Row-based
           * PostgreSQL
diff --git a/resources/topic-graph.mmd b/resources/topic-graph.mmd
index a60a1f7..405bf87 100644
--- a/resources/topic-graph.mmd
+++ b/resources/topic-graph.mmd
@@ -43,6 +43,7 @@ graph TD
         DBT --> DBTS[Scaling]
         DBT --> DBTR[Replication]
         DBT --> DBTX[Sharding]
+        DBT --> DBTO[Operating]
       DB --> SQL[SQL]
         SQL --> rSQL[Row-oriented]
           rSQL --> PgSQL
diff --git a/resources/topic-graph.png b/resources/topic-graph.png
index 3df5820..4a976c8 100644
Binary files a/resources/topic-graph.png and b/resources/topic-graph.png differ