Coleridge’s dream about the images and events of “Kubla Khan…

Questions

Cоleridge's dreаm аbоut the imаges and events оf "Kubla Khan" came:

Which SQL stаtement belоw will select rоws frоm the products tаble аnd impute zero where there is a missing value for  the column inventory_on_hand.   A. SELECT product_id, NVL(inventory_on_hand, 0) as inventory_on_handFROM products;    B. SELECT product_id, COALSCE(0, inventory_on_hand) as inventory_on_handFROM products;   C. SELECT product_id, COALSCE(inventory_on_hand) as inventory_on_handFROM products;