Question 106
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Table 1: session_mobile
***** **** * **** ***** *** ****** *** (***, *******), * *** ******* ******, ** **** **** *** **** ****** *** ***.
***_**** | ***_**** -----------------+--------------------- **** | **** ****_** | ****** *******_** | ****** ***** | *******(20)
Table 2: session_mobile_duration
*** ****** ** ******* * **** ****** ** ******* ** ***** ****** ***.
***_**** | ***_**** -----------------+--------------------- **** | **** *******_** | ****** ******** | ***
Table 3: session_web
***** **** * **** ****** *** *******, * *** ******* ******, ** **** **** *** **** ****** *** ****.
***_**** | ***_**** -----------------+--------------------- **** | **** ****_** | ****** *******_** | ****** ***** | *******(20)
Table 4: session_web_duration
*** ****** ** ******* * **** ****** ** *******.
***_**** | ***_**** -----------------+--------------------- **** | **** *******_** | ****** ******** | ***
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