The CALC function is used several times within the sales report. To simplify maintenance you want to store the function in one place and call it from within your PL/SQL trigger code. Which node would you use in object navigator to create a report level programme unit to store the function?（）A、Programme units. B、PL/SQL libraries. C、Database object. D、Built in packages.
The CALC function is used several times within the sales report. To simplify maintenance you want to store the function in one place and call it from within your PL/SQL trigger code. Which node would you use in object navigator to create a report level programme unit to store the function?（）
- A、Programme units.
- B、PL/SQL libraries.
- C、Database object.
- D、Built in packages.
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