Using (+) in a substr query

Question

Hi ,
i have the original query as
SELECT * FROM View1 A , View2 B
WHERE A.ITEM_ID = B.ITEM_ID(+)
values for ITEM_ID is ABC.01
ABC.02 ... 99
values for ITEM_NAME is ABC
however, when i changed it to
SELECT * FROM View1 A , View2 B
WHERE SUBSTR(A.ITEM_ID ,1 ,INSTR(A.ITEM_ID) - 1) =
SUBSTR(b.ITEM_ID ,1 ,INSTR(b.ITEM_ID) - 1)(+)
It does not work
how is it possible to use the substr together with the outer join clause besides , putting the ITEM_NAME as part of the source view ?
please advise
tks & rgds

Answer 1

Hi ,
This is my sample data
View 1          View 2
Item_id          Item_id
Item Dec          Item Dec
View1          View2
AAA.01          AAA.01
BBB.01          CCC.02
CCC.01          
i just simply want to link view1 to view2 via Item_id , however ,as the version
in this case view1 is CCC.01 but view2 is CCC.02 , i would still want the data from view1 to be shown
It is this reason that i am using substr but the system is complaining that i cannot use (+)
I do know that if i simply add in the item name (i.e w/o the version) at view1 & view2 , then i do not need to use the substr but still i would like to know if i am using the substr , how may i use it together with the (+) operator if it's possible.
appreciate your advise
tks & rgds