Remove specific rows in Query under conditions

[Yqy]

The data in the left side of the table is what i have, i want to remove "sections" that are "0", however there are "cat" with all "section" equals to "0", and i would like to keep this "cat" as shown in the right side of the table. 

cat	section	T/F		cat	section	T/F
1	A	1		1	A	1
1	B	0		2	D	1
1	C	0		3	null	null
1	D	0		4	null	null
2	A	0		5	null	null
2	B	0		6	null	null
2	C	0		7	any of the letter	0
2	D	1
3	null	null
4	null	null
5	null	null
6	null	null
7	A	0
7	B	0
7	C	0
7	D	0

[Ahmedx · Accepted solution]

pls try this

https://1drv.ms/u/s!AiUZ0Ws7G26RiEk50Vu-NCDzL8c3?e=ec2ccM