smart-green-house-server-and-front-end/sql_base/createtables.sql

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);