text: --
  -- Meta Services Relationships.
  --
  CREATE TABLE meta_service_relation (
    msr_id int NOT NULL auto_increment,
  
    meta_id int default NULL,
    host_id int default NULL,
    metric_id int default NULL,
    msr_comment text,
    activate enum('0','1') default NULL,
  
    PRIMARY KEY (msr_id),
    FOREIGN KEY (meta_id) REFERENCES meta_service (meta_id) ON DELETE CASCADE
  ) ENGINE=InnoDB CHARACTER SET utf8;
  