DROP INDEX docdata_groupid; DROP INDEX forumperm_useridgroupforumid; ALTER TABLE forum_perm DROP CONSTRAINT forum_perm_id_key; DROP INDEX forumperm_groupforumiduserid; DROP INDEX group_cvs_history_id_key; ALTER TABLE project_perm DROP CONSTRAINT project_perm_id_key; DROP INDEX projecttaskartifact_projecttask; DROP INDEX supported_langu_language_id_key;