text: 
  -- +migrate Up
  CREATE TABLE "user"
  (
     "id"              NUMBER        GENERATED BY DEFAULT ON NULL AS IDENTITY,
     "subject"         VARCHAR2(256)                      NOT NULL,
     "name"            VARCHAR2(256)                      NULL,
     "created_date"    TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     "changed_date"    TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     "deleted_date"    TIMESTAMP,
  
      CONSTRAINT user_pk PRIMARY KEY ("id"),
      CONSTRAINT user_account_subject_fk FOREIGN KEY ("subject") REFERENCES "account"("subject")
  );
  
  -- +migrate Down
  DROP TABLE "user";
  