Yoususpectunauthorizeddatamanipulationlanguage（DML）operationsonaparticulartable.Youwanttotrackuserswhoareperformingthetransactionsandthevaluesusedinthetransactions.Youalsoplantotransferthesevaluestoanothertableforanalysis.Howwouldyouachievethis（）
A.byusingtriggers
B.byusingDataPump
C.byusingexternaltables
D.byusinganonymousPL/SQLblocks
正确答案：参考A
