diff --git a/sql_base/createtables.sql b/sql_base/createtables.sql
new file mode 100644
index 0000000..e5b0787
--- /dev/null
+++ b/sql_base/createtables.sql
@@ -0,0 +1,5 @@
+create table login_users (userid integer primary key, name varchar(50), password varchar(50));
+
+create table temp_hum_info (thid integer primary key, temperature double, humidity double, th_date_time datetime);
+
+create table record_of_operations (operid integer primary key, oper_user_name varchar(50), operation_detail text, operation_time datetime);
diff --git a/sql_base/green_house.db b/sql_base/green_house.db
new file mode 100644
index 0000000..766003e
Binary files /dev/null and b/sql_base/green_house.db differ