text: create table TaskVariableImpl (
      id numeric(19,0) identity not null,
      modificationDate datetime null,
      name varchar(255) null,
      processId varchar(255) null,
      processInstanceId numeric(19,0) null,
      taskId numeric(19,0) null,
      type int null,
      value varchar(4000) null,
      primary key (id)
  ) lock datarows
  go
  
  create table QueryDefinitionStore (
      id numeric(19,0) identity not null,
      qExpression text null,
      qName varchar(255) null,
      qSource varchar(255) null,
      qTarget varchar(255) null,
      primary key (id)
  ) lock datarows
  
  go
  
  alter table QueryDefinitionStore 
      add constraint UK_4ry5gt77jvq0orfttsoghta2j unique (qName)