diff --git a/data_storage.md b/data_storage.md
new file mode 100644
index 0000000..55c34f0
--- /dev/null
+++ b/data_storage.md
@@ -0,0 +1,6 @@
+# Data Storeage
+
+## Databases
+
+* [SQLite](https://docs.python.org/3/library/sqlite3.html) (RDMS)
+* [PostgreSQL](https://www.postgresql.org/) (RDMS) managed with pgAdmin (admin tool) or psql (CLI tool). Use psycopg2 (python API).