text: create table TaskVariableImpl (
      id number(19,0) not null,
      modificationDate timestamp,
      name varchar2(255 char),
      processId varchar2(255 char),
      processInstanceId number(19,0),
      taskId number(19,0),
      type number(10,0),
      value varchar2(4000 char),
      primary key (id)
  );
  create sequence TASK_VAR_ID_SEQ;
  
  create table QueryDefinitionStore (
      id number(19,0) not null,
      qExpression clob,
      qName varchar2(255 char),
      qSource varchar2(255 char),
      qTarget varchar2(255 char),
      primary key (id)
  );
  
  alter table QueryDefinitionStore 
          add constraint UK_4ry5gt77jvq0orfttsoghta2j unique (qName);
  
  create sequence QUERY_DEF_ID_SEQ;