drop sequence card_note_sequence;
drop index card_note_comm_idx;
drop index card_note_task_idx;
drop table card_note;

drop sequence card_task_sequence;
drop index card_task_comm_idx;
drop index card_task_percent_idx;
drop table card_task;

drop sequence card_percent_sequence;
drop index card_percent_comm_idx;
drop table card_percent;

drop sequence card_comment_sequence;
drop index card_comment_comm_idx;
drop table card_comment;

drop sequence card_sequence;
drop index card_idx;
drop table card;