text: alter table ACT_HI_PROCINST add PROPAGATED_STAGE_INST_ID_ nvarchar(255);
  
  create index ACT_IDX_EXEC_REF_ID_ on ACT_RU_EXECUTION(REFERENCE_ID_);
  create index ACT_IDX_RU_ACTI_TASK on ACT_RU_ACTINST(TASK_ID_);
  
  update ACT_GE_PROPERTY set VALUE_ = '6.7.0.0' where NAME_ = 'schema.version';
  