Syntax options:

    SNAPSHOT EXTENT IS extent-pages | SNAPSHOT EXTENT IS (extension-
    options)

    Specifies the number of pages of each snapshot or storage area
    file extent. The default extent for storage area files is 100
    pages.

    Specify a number of pages for simple control over the extension.
    For greater control, and particularly for multivolume databases,
    use the MIN, MAX, and PERCENT GROWTH extension options instead.

    If you use the MIN, MAX, and PERCENT GROWTH parameters, you must
    enclose them in parentheses.