Question 109
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Table 1: orders
** ********* *******'* ****** ***** *****.
***_**** | ***_**** --------------+------------------- *****_** | ****** *******_** | ****** ********_** | ****** *****_** | **** *** | ******* ****_*****_***| ***** ******* | *******(20) -- ******, *******
Table 2: product_category
*** ******* *** **** ****** ** *** ********
***_**** | ***_**** ----------------------+------------------- *******_** | ****** *******_********_** | ********
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