Add Databases Sections

SQL/NoSQL and BoJack Links

resources/topic-graph.mmd

@@ -20,6 +20,16 @@ graph TD
       DS --> Graph[Graph]
       DS --> T3[Tree]
       DS --> HS[Hash]
+  SW --> DB[Databases]
+    DB --> SQL[SQL]
+      SQL --> PgSQL[PostgreSQL]
+      SQL --> MySQL[MySQL]
+    DB --> NoSQL[NoSQL]
+      NoSQL --> KV[KeyValue]
+        KV --> Rd[Redis]
+      NoSQL --> DoS[DocumentStore]
+        DoS --> Mng[Mongo]
+        DoS --> ES[ElasticSearch]
   SW --> OPS[Operations]
       OPS --> OS[Operating Systems]
       OPS --> IaC[Infrastructure as Code]