Find a joint letter between two strings
Hello
I need help to find a common string between strings that results in a table. Here's an example scenario that you can consult to replicate and suggest.
create the table test_marine
(
P_ID varchar2 (50).
t_id varchar2 (50).
h_code varchar2 (40),
number of misc_type
);
insert into test_m values('1','100','ABC',1);
insert into test_m values('1','101','ABCD',1);
insert into test_m values('1','102','BC',1);
insert into test_m values('1','103','B',1);
COMMIT;
Data will look like below: -.
What I have to do here is - I want to take the all the h_code column values across both where p_id = 1 and browse all the values H_CODE one by one. Any other approach viable also who can help will be good.
Example - I choose ABC for 100, I check if A is common throughout 101,102,103, if so, save somewhere check then if B exists in all.
My Final result should be like this: -.
Where there is more than one match: -.
Where there is no match, the value may come as something as below: -.
Appreciate the help. Thank you
2615593 wrote:
Hello
Alone with AB.
In this case, you also want to...
insert into test_m values('3','100','ABC',1);
insert into test_m values('3','101','ABD',1);
insert into test_m values('3','102','ABE',1);
insert into test_m values('3','103','ABFG',1);
COMMIT;SQL > ed
A written file afiedt.buf1 with split as (select p_id
2, substr (h_code, level 1) as ch
3, count (distinct t_id) on (p_id partition) under the name of grp_cnt
4 of test_m
5 connect by p_id = prior p_id
6 and t_id = prior t_id
7 and level<=>=>
sys_guid() 8 and prior is not null
9 )
10, grp as (select p_id
11 ,ch
12, count (*) as ch_cnt
13, grp_cnt
14 split
Group 15 of p_id, ch, grp_cnt
16 )
17 select m.p_id
18, listagg (nvl (grp.ch, 'None')) within the Group (ch control) as ch
19 m (select distinct test_m p_id)
20 left outer join grp (grp.p_id = m.p_id and grp.ch_cnt = grp.grp_cnt)
21 * group by m.p_id
SQL > /.
P_ID CH
-------------------------------------------------- --------------------
1 B
2 None
3 AB3 selected lines.
Tags: Database
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