should work

schema.sql

@@ -0,0 +1,19 @@
+drop table if exists users;
+drop table if exists shops;
+drop table if exists shares;
+create table users (
+    id integer primary key autoincrement,
+    user text not null,
+    pass text not null
+);
+create table shops (
+    id integer primary key autoincrement,
+    shop text not null,
+    owner integer not null
+);
+create table shares (
+    shopid integer not null,
+    userid integer not null
+);
+
+