預設常數

以下常數由擴充功能定義，因此只有在擴充功能被編譯到 PHP 中，或者在執行時被動態載入後才有效。

SDO_DAS_ChangeSummary::NONE=0 (integer)

Represents a change type of 'none'.

SDO_DAS_ChangeSummary::MODIFICATION=1 (integer)

Represents a change type of 'modification'.

SDO_DAS_ChangeSummary::ADDITION=2 (integer)

Represents a change type of 'addition'.

SDO_DAS_ChangeSummary::DELETION=3 (integer)

Represents a change type of 'deletion'.