diff --git a/script/sql/create/30.scada_data.sql b/script/sql/create/30.scada_data.sql
new file mode 100644
index 0000000..02c1643
--- /dev/null
+++ b/script/sql/create/30.scada_data.sql
@@ -0,0 +1,7 @@
+create table scada_data
+(
+  device_id text not null references scada_model(device_id)
+, time timestamp not null
+, value numeric not null
+, primary key (device_id, time)
+);
diff --git a/script/sql/drop/30.scada_data.sql b/script/sql/drop/30.scada_data.sql
new file mode 100644
index 0000000..daa81a0
--- /dev/null
+++ b/script/sql/drop/30.scada_data.sql
@@ -0,0 +1 @@
+drop table if exists scada_data;