SELECT avg(order_quantity) FROM order_items
SELECT avg(order_quantity) FROM order_items <table_name> : Order_Items col : order_id | product_id | order_quantity row 1 : 14 | 2 | 5 row 2 : 5 | 2 | 9 row 3 : 14 | 3 | 2 row 4 : 2 | 2 | 9 row 5 : 13 | 1 | 9 row 6 : 10 | 1 | 5 row 7 : 10 | 3 | 6 row 8 : 7 | 2 | 9 row 9 : 14 | 3 | 8 row 10 : 10 | 2 | 5 row 11 : 10 | 2 | 9 row 12 : 11 | 2 | 1 row 13 : 10 | 3 | 6 row 14 : 8 | 1 | 7 row 15 : 8 | 2 | 5
col : avg(order_quantity) row 1 : 6.3333333333