diff --git a/schema.sql b/schema.sql
new file mode 100644
index 0000000..6e4025f
--- /dev/null
+++ b/schema.sql
@@ -0,0 +1,28 @@
+create TABLE locations (
+  id INTEGER PRIMARY KEY,
+  x INTEGER NOT NULL,
+  y INTEGER NOT NULL,
+  z INTEGER NOT NULL,
+  world INTEGER NOT NULL
+)
+
+create TABLE exits (
+  id INTEGER PRIMARY KEY,
+  to INTEGER REFERENCES locations(id),
+  from INTEGER REFERENCES locations(id)
+)
+
+create TABLE observables (
+  id INTEGER PRIMARY KEY,
+  name TEXT NOT NULL,
+  description TEXT NOT NULL
+)
+
+create TABLE inventories (
+  id INTEGER PRIMARY KEY
+)
+
+create TABLE pools (
+  id INTEGER PRIMARY KEY,
+  type INTEGER NOT NULL
+)