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Sai Reddy
NA
214
30.8k
Table counts from same table
Dec 31 2018 4:19 AM
Hi,
I have a requirement as follows.
sno
id
Role
is_active
is_deleted
1
100
SM
y
n
2
101
SM
n
y
3
102
SM
y
n
4
103
BC
n
y
5
104
BC
y
n
6
105
BC
y
n
7
103
AI
n
y
8
104
AI
y
n
9
105
AI
y
n
Output:
Role
Total
Active
Deleted
SM
3
2
1
BC
3
2
1
AI
3
2
1
Table structure as follows.
CREATE TABLE sample
(
id int,Role CHAR(2),
is_active CHAR(1),
is_deleted CHAR(1)
);
insert into sample values(100,'SM','y','n'),(101,'SM','n','y'),
(102,'SM','y','n'),(103,'BC','n','y'),(104,'BC','y','n'),(105,'BC','y','n'),
(103,'AI','n','y'),(104,'AI','y','n'),(105,'AI','y','n');
select * from sample;
Reply
Answers (
2
)
prevent Multiple users read / update table at same time
express to standard