I have a syntax like below and would like to convert this to python executable statement. The below is stored as it is in the database and used in a procedure for calculating the required value. Now I would like to use the same approach in python by converting this to python / pandas executable code. val_ is a column name that needs to be referred in the dataframe. nvl(val_x, -1 * nvl(val_y, 0) + nvl(val_z, 0) + nvl(val_h, 0)) Continue reading...