text: CREATE TABLE monitor_rules
  (
      rule_id          VARCHAR2(50) NOT NULL,
      code             VARCHAR2(50) NOT NULL,
      grade            VARCHAR2(20) NOT NULL,
      severity         VARCHAR2(20) NOT NULL,
      topic_id         VARCHAR2(50),
      factor_id        VARCHAR2(50),
      params           CLOB,
      enabled          NUMBER(1),
      tenant_id        VARCHAR2(50) NOT NULL,
      created_at       DATE         NOT NULL,
      created_by       VARCHAR2(50) NOT NULL,
      last_modified_at DATE         NOT NULL,
      last_modified_by VARCHAR2(50) NOT NULL,
      CONSTRAINT pk_monitor_rules PRIMARY KEY (rule_id)
  );
  CREATE INDEX i_monitor_rules_1 ON monitor_rules (code);
  CREATE INDEX i_monitor_rules_2 ON monitor_rules (grade);
  CREATE INDEX i_monitor_rules_3 ON monitor_rules (severity);
  CREATE INDEX i_monitor_rules_4 ON monitor_rules (topic_id);
  CREATE INDEX i_monitor_rules_5 ON monitor_rules (factor_id);
  CREATE INDEX i_monitor_rules_6 ON monitor_rules (tenant_id);
  CREATE INDEX i_monitor_rules_7 ON monitor_rules (created_at);
  CREATE INDEX i_monitor_rules_8 ON monitor_rules (created_by);
  CREATE INDEX i_monitor_rules_9 ON monitor_rules (last_modified_at);
  CREATE INDEX i_monitor_rules_10 ON monitor_rules (last_modified_by);
  