select * from /test/delete where v_date = '2019-10-20' /** count(1) **/ ; delete from /test/delete where v_date = '2019-10-20' ; select * from /test/delete where v_date = '2019-10-20' /** count(0) **/ ; select * from /test/delete where v_timestamp = '2019-10-21 23:59:59' /** count(1) **/ ; delete from /test/delete where v_timestamp = '2019-10-21 23:59:59' ; select * from /test/delete where v_timestamp = '2019-10-21 23:59:59' /** count(0) **/ ; select * from /test/delete /** count(1) **/ ;