text: drop index ACT_IDX_HI_PRO_INST_END;
  drop index ACT_IDX_HI_PRO_I_BUSKEY;
  drop index ACT_IDX_HI_ACT_INST_START;
  drop index ACT_IDX_HI_ACT_INST_END;
  drop index ACT_IDX_HI_DETAIL_PROC_INST;
  drop index ACT_IDX_HI_DETAIL_ACT_INST;
  drop index ACT_IDX_HI_DETAIL_TIME;
  drop index ACT_IDX_HI_DETAIL_NAME;
  drop index ACT_IDX_HI_DETAIL_TASK_ID;
  drop index ACT_IDX_HI_PROCVAR_PROC_INST;
  drop index ACT_IDX_HI_PROCVAR_NAME_TYPE;
  drop index ACT_IDX_HI_ACT_INST_PROCINST;
  
  drop table ACT_HI_PROCINST;
  drop table ACT_HI_ACTINST;
  drop table ACT_HI_VARINST;
  drop table ACT_HI_TASKINST;
  drop table ACT_HI_DETAIL;
  drop table ACT_HI_COMMENT;
  drop table ACT_HI_ATTACHMENT;
  
  