text: alter table ACT_RE_PROCDEF drop constraint ACT_UNIQ_PROCDEF;
  
  alter table ACT_RE_PROCDEF alter column KEY_ nvarchar(255) not null;
  
  alter table ACT_RE_PROCDEF alter column VERSION_ int not null;
  
  alter table ACT_RE_PROCDEF
      add constraint ACT_UNIQ_PROCDEF
      unique (KEY_,VERSION_);
  
  alter table ACT_RE_DEPLOYMENT add CATEGORY_ nvarchar(255);
      
  alter table ACT_RE_PROCDEF
      add DESCRIPTION_ nvarchar(4000);
      
  alter table ACT_RU_TASK
      add SUSPENSION_STATE_ int;
      
  update ACT_RU_TASK set SUSPENSION_STATE_ = 1; 
  
  alter table ACT_RU_EXECUTION
      add constraint ACT_FK_EXE_PROCDEF 
      foreign key (PROC_DEF_ID_) 
      references ACT_RE_PROCDEF (ID_);
  
  create table ACT_RE_MODEL (
      ID_ nvarchar(64) not null,
      REV_ int,
      NAME_ nvarchar(255),
      KEY_ nvarchar(255),
      CATEGORY_ nvarchar(255),
      CREATE_TIME_ datetime,
      LAST_UPDATE_TIME_ datetime,
      VERSION_ int,
      META_INFO_ nvarchar(4000),
      DEPLOYMENT_ID_ nvarchar(64),
      EDITOR_SOURCE_VALUE_ID_ nvarchar(64),
      EDITOR_SOURCE_EXTRA_VALUE_ID_ nvarchar(64),
      primary key (ID_)
  );
  
  alter table ACT_RE_MODEL 
      add constraint ACT_FK_MODEL_SOURCE 
      foreign key (EDITOR_SOURCE_VALUE_ID_) 
      references ACT_GE_BYTEARRAY (ID_);
  
  alter table ACT_RE_MODEL 
      add constraint ACT_FK_MODEL_SOURCE_EXTRA 
      foreign key (EDITOR_SOURCE_EXTRA_VALUE_ID_) 
      references ACT_GE_BYTEARRAY (ID_);
      
  alter table ACT_RE_MODEL 
      add constraint ACT_FK_MODEL_DEPLOYMENT 
      foreign key (DEPLOYMENT_ID_) 
      references ACT_RE_DEPLOYMENT (ID_);   
  
  delete from ACT_GE_PROPERTY where NAME_ = 'historyLevel';
  
  alter table ACT_RU_JOB
      add PROC_DEF_ID_ nvarchar(64);
  
  update ACT_GE_PROPERTY set VALUE_ = '5.11' where NAME_ = 'schema.version';
  