Which technique retrieves the error number when explicit DML fails?（）<br>A:SQLCODE in an On-Error trigger. <br>B:SQLCODE in an exception handler. <br>C:DBMS_ERROR_CODE in an On-Error trigger. <br>D:DBMS_ERROR_CODE in an exception handler.

Which technique retrieves the error number when explicit DML fails?（）
A:SQLCODE in an On-Error trigger.
B:SQLCODE in an exception handler.
C:DBMS_ERROR_CODE in an On-Error trigger.
D:DBMS_ERROR_CODE in an exception handler.

出自：Oracle认证

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