Represents flags for RDB$STORAGE_AREAS information table.

    Bit
    Position   Description

    0          Page format is mixed
    1          Checksum calculation is enabled
    2          This is a snapshot area
    3          Area has snapshots
    4          Snapshots are enabled
    5          Area has space management pages
    6          SPAM pages are enabled
    7          Allow multi-volume disk extents
    8          Extent is enabled
    9          Area is corrupt
    10         Area is inconsistent
    11         WORM device is full
    12         Page level locking
    13         Write once
    14         WORM area is corrupt
    15         Row cache is enabled
    16         Area has been restructured. If TRUE, this area has been
               restructured and may only be readied by a restructuring
               process
    17         Roll forward quiet-point is enabled
    18         Area is corrupt due to Hot Standby. If TRUE, this
               storage area may have been corrupted by an aborted
               batch update transaction