text: create table tbl_Comment
  (
      fld_CommentID   int not null
          constraint tbl_comment_pk
              primary key nonclustered,
      fld_CommentTime date,
      fld_CommentText varchar(2000),
      fld_Author      varchar(30)
  )
      go
  
  create table tbl_Event
  (
      fld_EventID   int not null
          constraint tbl_Event_pk
              primary key nonclustered,
      fld_EventDate date,
      fld_ChapterNo int,
      fld_Role      varchar(30),
      fld_Location  varchar(80),
      fld_QuickNote varchar(130)
  )
      go
  
  create table tbl_Note
  (
      fld_NoteID   int not null
          constraint tbl_Note_pk
              primary key nonclustered,
      fld_NoteText varchar(2000)
  )
      go
  
  create table tbl_EventCard
  (
      fld_EventCardID int not null
          constraint tbl_EventCard_pk
              primary key nonclustered,
      fld_EventName   varchar(30),
      fld_AuthorName  varchar(30),
      fld_EventID     int
          constraint tbl_EventCard_tbl_Event_fld_EventID_fk
              references tbl_Event,
      fld_NoteID      int
          constraint tbl_EventCard_tbl_Note_fld_NoteID_fk
              references tbl_Note,
      fld_CommentID   int
          constraint tbl_EventCard_tbl_Comment_fld_CommentID_fk
              references tbl_Comment,
      fld_localX      decimal,
      fld_localY      decimal,
      fld_EditDate    date
  )
      go
  
  create table tbl_User
  (
      fld_UserID   int not null
          constraint tbl_User_pk
              primary key nonclustered,
      fld_UserName varchar(30),
      fld_Password varchar(30),
      fld_Identity int default 0
  )
      go
  
  