drop table if exists choices;
+drop table if exists attachments;
drop table if exists votes;
drop table if exists roles;
drop table if exists users;
FOREIGN KEY(id_role) REFERENCES roles(id)
);
+create table attachments (
+ url TEXT not null,
+ id_vote INTEGER not null,
+ FOREIGN KEY(id_vote) REFERENCES vote(id),
+ PRIMARY KEY(url, id_vote)
+);
+
create table choices (
id INTEGER primary key autoincrement,
name TEXT not null,