How do the mulitple itemset column union with other tables
HelloI have the following table, called set as below,
A
--------------------------
1; 10; 2; 3; 4; 5; 7; 8
10; 2; 3; 4; 5; 8; 9
10; 2; 3; 4; 8; 9
and another table called temp as below,
B
-------------------
1
2
6
and need to find the union of these 2 tables as below,
A---------------------| B | A Union B
-------------------------------------------------------------------
1; 10; 2; 3; 4; 5; 7; 8. 1 | ; 1; 10; 2; 3; 4; 5; 7; 8
1; 10; 2; 3; 4; 5; 7; 8. 2 | ; 1; 10; 2; 3; 4; 5; 7; 8
1; 10; 2; 3; 4; 5; 7; 8. 6 | ; 1; 10; 2; 3; 4; 5; 7; 8; 6
10; 2; 3; 4; 5; 8; 9. 1 | ; 10; 2; 3; 4; 5; 8; 9; 1
10; 2; 3; 4; 5; 8; 9. 2 | ; 10; 2; 3; 4; 5; 8; 9
10; 2; 3; 4; 5; 8; 9. 6 | ; 10; 2; 3; 4; 5; 8; 9; 6
10; 2; 3; 4; 8; 9. 1 | ; 10; 2; 3; 4; 8; 9; 1
10; 2; 3; 4; 8; 9. 2 | ; 10; 2; 3; 4; 8; 9
10; 2; 3; 4; 8; 9. 6 | ; 10; 2; 3; 4; 8; 9; 6
any help please,.
Published by: user11309581 on June 26, 2011 22:43
Published by: user11309581 on June 26, 2011 22:47
with a as (
select ';1;10;2;3;4;5;7;8' str from dual union all
select ';10;2;3;4;5;8;9' from dual union all
select ';10;2;3;4;8;9' from dual
),
b as (
select '1' str from dual union all
select '2' from dual union all
select '6' from dual
)
-- end of on-the-fly data sample
select a.str,
b.str,
case
when a.str || ';' like '%;' || b.str || ';%' then a.str
else a.str || ';' || b.str
end combined_str
from a,
b
/
STR S COMBINED_STR
----------------- - -------------------
;1;10;2;3;4;5;7;8 1 ;1;10;2;3;4;5;7;8
;1;10;2;3;4;5;7;8 2 ;1;10;2;3;4;5;7;8
;1;10;2;3;4;5;7;8 6 ;1;10;2;3;4;5;7;8;6
;10;2;3;4;5;8;9 1 ;10;2;3;4;5;8;9;1
;10;2;3;4;5;8;9 2 ;10;2;3;4;5;8;9
;10;2;3;4;5;8;9 6 ;10;2;3;4;5;8;9;6
;10;2;3;4;8;9 1 ;10;2;3;4;8;9;1
;10;2;3;4;8;9 2 ;10;2;3;4;8;9
;10;2;3;4;8;9 6 ;10;2;3;4;8;9;6
9 rows selected.
SQL>
SY.
Tags: Database
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