text: drop table if exists ACT_HI_PROCINST cascade;
  drop table if exists ACT_HI_ACTINST cascade;
  drop table if exists ACT_HI_VARINST cascade;
  drop table if exists ACT_HI_TASKINST cascade;
  drop table if exists ACT_HI_DETAIL cascade;
  drop table if exists ACT_HI_COMMENT cascade;
  drop table if exists ACT_HI_ATTACHMENT cascade;
  drop table if exists ACT_HI_IDENTITYLINK cascade;
  
  drop index if exists ACT_IDX_HI_PRO_INST_END;
  drop index if exists ACT_IDX_HI_PRO_I_BUSKEY;
  drop index if exists ACT_IDX_HI_ACT_INST_START;
  drop index if exists ACT_IDX_HI_ACT_INST_END;
  drop index if exists ACT_IDX_HI_DETAIL_PROC_INST;
  drop index if exists ACT_IDX_HI_DETAIL_ACT_INST;
  drop index if exists ACT_IDX_HI_DETAIL_TIME;
  drop index if exists ACT_IDX_HI_DETAIL_NAME;
  drop index if exists ACT_IDX_HI_DETAIL_TASK_ID;
  drop index if exists ACT_IDX_HI_PROCVAR_PROC_INST;
  drop index if exists ACT_IDX_HI_PROCVAR_NAME_TYPE;
  drop index if exists ACT_IDX_HI_ACT_INST_PROCINST;
  drop index if exists ACT_IDX_HI_IDENT_LNK_USER;
  drop index if exists ACT_IDX_HI_IDENT_LNK_TASK;
  drop index if exists ACT_IDX_HI_IDENT_LNK_PROCINST;
  