{
  safe: (val) => (val != null ? '' + val : ''),
  format_column: (c) => (c.COLUMN_NAME != null ? c.COLUMN_NAME : '?') + ' (' + (c.DATA_TYPE != null ? c.DATA_TYPE : '?') + ')' + (c.NULLABLE == 'Y' ? ' NULL' : ' NOT NULL'),
  format_table: (t) => (t.OWNER != null ? (t.OWNER + '.') : '') + (t.TABLE_NAME != null ? t.TABLE_NAME : '?') + (t.TABLE_TYPE != null ? (' [' + t.TABLE_TYPE + ']') : '')
}
