Connect problem
Hello everyone, please I need help with this problem:
I have 2 tables A and B
Table A has this structure
parent child
0 1
0 2
0 3
0 4
0 5
0 6
7 0
0 8
0 9
0 10
0 11
11 12
11 15
12 13
13 14
Table B:
Child name
A 13
B 14
I need to create a view that will take all the possible parents for child in table B like this
result view for this example >
11 TO 13
12 TO 13
13A 13
11 B 14
12 B 14
13 B 14
14 B 14
Can you help me with this? I have a little connect by queries, but not good.
so, something like:
WITH tabA (PARENT, CHILD)
AS (SELECT 0, 1 FROM dual UNION ALL
Select the option 0, Union 2 double all the
Select 0, 3 of all the double union
Select 0, 4 Union double all the
Select 0, 5 Union double all the
Select 0, 6 Union double all the
Select 0, 7 of all the double union
Select 0, 8 of all the double union
Select 0, 9 Union double all the
Select 0, 10 of all the double union
SELECT 0, 11 FROM dual UNION ALL
11. SELECT, 12 double UNION ALL
Select 11, 15 Union double all the
Select 12, 13 OF THE dual UNION ALL
selection of 13, 14 DOUBLE)
, tabB (NAME, CHILD)
AS (SELECT 'A', 13 double Union all)
SELECT 'B', 14 DOUBLE)
HIERARCHY AS (sheet SELECT CONNECT_BY_ROOT (CHILD) CHILD, PARENT, CONNECT_BY_ISLEAF AS
TABA
CONNECT PRIOR PARENT = CHILD)
SELECT A.PARENT, b.NAME, A.CHILD
FROM A INNER JOIN b tabB hierarchy WE (A.CHILD = b.CHILD)
where a.leaf = 0
UNION ALL
SELECT DISTINCT a.CHILD, b.NAME, a.CHILD
the hierarchy an inner join b on (b.child = a.child) tabB
/
HTH
Tags: Database
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