The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
SDO_DAS_ChangeSummary::NONE=0
(int)
SDO_DAS_ChangeSummary::MODIFICATION=1
(int)
SDO_DAS_ChangeSummary::ADDITION=2
(int)
SDO_DAS_ChangeSummary::DELETION=3
(int)