create table CASIC_USERDOCUMENT
(
  DBID     NUMBER(19) primary key not null,
  TITLE    VARCHAR2(255) not null,
  DESCN    VARCHAR2(500),
  UPDAY    DATE not null,
  WRITER   VARCHAR2(255) not null,
  FILENAME VARCHAR2(255) not null,
  FILETYPE VARCHAR2(255) not null,
  SYSNAME  VARCHAR2(255)
)