1 drop table if exists refid;
2 drop table if exists comment_attr;
3 drop table if exists descr_attr;
4 drop table if exists text_attr;
5 drop table if exists text_attr;
6 drop table if exists attribute;
7 drop table if exists doctag;
8 drop table if exists docuse;
9 drop table if exists knowelm;
10 drop table if exists knowtype;
11 drop table if exists contributor_rel;
12 drop table if exists converts_rel;
13 drop table if exists cycle_rel;
14 drop table if exists stamp_rel;
15 drop table if exists usedby_rel;
16 drop table if exists uses_rel;
17 drop table if exists versions_rel;
18 drop table if exists relation;
19 drop table if exists cycle;
20 drop table if exists document;
21 drop table if exists entity;
22 drop table if exists projext;
23 drop table if exists stamp;
24 drop table if exists file;
25 drop table if exists doctype;
26 drop table if exists scenario;
27 drop table if exists study;
28 drop table if exists contelm;
29 drop table if exists contype;
30 drop table if exists users;
31 drop table if exists role;
32 --drop table if exists persistent_id;
33 drop table if exists text;
