工作流表删除顺序
drop table act_evt_log;
drop table act_hi_actinst;
drop table act_hi_attachment;
drop table act_hi_comment;
drop table act_hi_detail;
drop table act_hi_identitylink;
drop table act_hi_procinst;
drop table act_hi_taskinst;
drop table act_hi_varinst;
drop table act_id_info;
drop table act_id_membership;
drop table act_id_user;
drop table act_re_model;
drop table act_ru_event_subscr;
drop table act_ru_identitylink;
DROP TABLE ACT_RU_DEADLETTER_JOB;
DROP TABLE ACT_RU_SUSPENDED_JOB;
DROP TABLE ACT_RU_TIMER_JOB;
drop table act_ru_job;
drop table act_ru_task;
drop table act_id_group;
drop table act_ru_variable;
drop table act_ru_execution;
drop table ACT_GE_PROPERTY;
drop table ACT_PROCDEF_INFO;
drop table act_ge_bytearray;
drop table act_re_deployment;
drop table ACT_RE_PROCDEF;
DROP SEQUENCE ACT_EVT_LOG_SEQ;