From the following list of operations, select the correct order for the building the op$\_$process$\_$data operator.

Check the process flags

Extract X and y from the merged data and save it in the database

Merge the features

Load the final dataset$($final$\_$features$\_$v$01)$ from the database

Drop the highly correlated features

Scale the numerical features using Standard Scaler

Extract the date features from all the date type columns