oracledb add missing properties and make some optional (#38035)
oracledb add missing properties and make some optional (#38035)

* Add missing props dbTypeClass, dbTypeName

* Update header

* Revert "Update header"

This reverts commit b4f5169dfc5fb3d0c00c5b91dee310028d4d2d30.

mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped