Your package logic requires you to retrieve the status of the previous package step into a variable. How must you implement this? (Choose the best answer.)
A.
Create a variable, use odiRef.getPrevStepLog () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.
B.
Create a variable, use odiRef.getPrevInfo () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.
C.
Create a variable, use odiRef.getStep () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.
D.
Create a variable, use odiRef.getPrevStepStatus () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the
package.
Explanation:
(https://docs.oracle.com/middleware/1212/odi/ODIKD/odiref_reference.htm#ODIKD1237)