"row ID"|"nvl_numeric"
"Column Name"|" CAST(NVL(if(age<0,0,age),0) AS DOUBLE) AS age, CAST(NVL(if(fnlwgt<0,0,fnlwgt),0) AS DOUBLE) AS fnlwgt, CAST(NVL(if(education_num<0,0,education_num),0) AS DOUBLE) AS education_num, CAST(NVL(if(capital_gain<0,0,capital_gain),0) AS DOUBLE) AS capital_gain, CAST(NVL(if(capital_loss<0,0,capital_loss),0) AS DOUBLE) AS capital_loss, CAST(NVL(if(hours_per_week<0,0,hours_per_week),0) AS DOUBLE) AS hours_per_week"