Calculate business days between dates based on Workday Table

[jwalantdvyas]

Table 1: Work day table and 1 represent working day 0 represent non working day

Calendar_Date	Work_Day
1/10/2019 0:00	1
2/10/2019 0:00	1
3/10/2019 0:00	1
4/10/2019 0:00	1
5/10/2019 0:00	0
6/10/2019 0:00	0
7/10/2019 0:00	0
8/10/2019 0:00	1
9/10/2019 0:00	1
10/10/2019 0:00	1
11/10/2019 0:00	1
12/10/2019 0:00	0
13/10/2019 0:00	0
14/10/2019 0:00	1
15/10/2019 0:00	1
16/10/2019 0:00	1
17/10/2019 0:00	1
18/10/2019 0:00	1
19/10/2019 0:00	0

Table 2

I have start date and End date in this table and want to calculate total working days between these dates

Start_Date	End_Date	Total working Days
1/10/2019 0:00	6/10/2019 0:00	4
2/10/2019 0:00	7/10/2019 0:00	3
3/10/2019 0:00	8/10/2019 0:00	?
4/10/2019 0:00	9/10/2019 0:00	?
5/10/2019 0:00	10/10/2019 0:00	?
6/10/2019 0:00	11/10/2019 0:00	?
7/10/2019 0:00	12/10/2019 0:00	?
8/10/2019 0:00	13/10/2019 0:00	?
9/10/2019 0:00	14/10/2019 0:00	?
10/10/2019 0:00	15/10/2019 0:00	?
11/10/2019 0:00	16/10/2019 0:00	?
12/10/2019 0:00	17/10/2019 0:00	?
13/10/2019 0:00	18/10/2019 0:00	?
14/10/2019 0:00	19/10/2019 0:00	?

[Qiu · Accepted solution]

@jwalantdvyas 
With basic tools we can do something like below.

[binu_acs · Accepted solution]

@jwalantdvyas another method