diff --git a/.gitignore b/.gitignore
index 88293a6d..97afb2d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,12 +7,12 @@
 /virtualenv/
 /pip-selfcheck.json
 
-
 # transient files
 /db-local.sqlite3*
 /static
 /media
 /mamweb/static
+/schema_*.pdf
 
 # aux files
 *.pyc
diff --git a/Makefile b/Makefile
index 0c62bbbf..6c3ed40f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: clean_env init_env clean_virtualenv install_packages clean install run all
+.PHONY: clean_env init_env clean_virtualenv install_packages clean install run all schema_seminar.pdf schema_all.pdf
 PYTHON=python2.7
 VE_VER=12.0.7
 LOCAL_PYTHON=bin/python
@@ -23,6 +23,7 @@ install_packages: make_env
 clean_env:
 	rm -rf bin/ include/ lib/ local/ share/
 	rm -f pip-selfcheck.json
+	rm -f schema_seminar.pdf schema_all.pdf
 
 # binary name representing set-up env
 ${LOCAL_PYTHON}: virtualenv
@@ -44,6 +45,19 @@ clean_virtualenv:
 run:
 	./manage.py runserver_plus
 
+test:
+	./manage.py test
+
+# DB schemata
+
+schema: schema_seminar.pdf schema_all.pdf
+
+schema_seminar.pdf:
+	./manage.py graph_models seminar | dot -Tpdf > schema_seminar.pdf
+
+schema_all.pdf:
+	./manage.py graph_models -a -g | dot -Tpdf > schema_all.pdf
+
 
 TEST_USER=${USER}
 TEST_SERVER=atrey.karlin.mff.cuni.cz
diff --git a/README.md b/README.md
index a8f3bdcb..1cff5cb3 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,8 @@ Make commands
   At test server, the media data and database are kept the same.
   Everything else not in .gitignore is deleted/overwritten on the test server.
 
+* `make schema` - generates graph of seminar and all schemas as PDF. Supercool!
+
 ./manage.py commands
 --------------------