单选题You observe that in your PROD database， customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use to accomplish this task？（）AfunctionsBpackagesCproceduresDdatabase triggersEanonymous PL/SQL block
单选题
You observe that in your PROD database， customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use to accomplish this task？（）
A
functions
B
packages
C
procedures
D
database triggers
E
anonymous PL/SQL block
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