Do we need to give new joins in physical layer

hi all,
due to some back ground problem ,we have deleted the existing table in back end and again we have created the table having different columns names with same table name
let say ,i have deleted table A and it is having columns (no int ,name varchar,...) in the back end... again i have created table A and different columns name(sno number,sname varchar)...
like this i have created .. and whatever the content is there in old table same data i copied in to new table.
so... here my question is do we need to again import that table into physical layer and again we need to give joins... or can we make use of existing table ....???
now i am running the reports with old table .. reports are not coming up... its giving an error....
is it mandatory to import the table again .. and again i have to do all joins..
i did few calculations using that dimension ...... so... any other alternative solution for this ... instead of doing joins.. ..
i have changed the column names in back end... that's it
here can we make use of catalog manager to change the column name in the reporting side....after changing the columns name in physical layer..
i don't knw the process of catalog manager.... please can any one send me the link to change the column names in the reporting side .....using catalog manager
Thanks

Hi,
If you have deleted table in database and you have created a new table with same columns and same structure then you should not face any problem. OBIEE will still have that table intact in physical layer.In your case since you have changed the names of columns in database it is creating problems for you because OBIEE query will use names mentioned in physical layer and those columns are no more in database. SO to resolve the issue go to physical layer and change the names of the columns .That should solve the problem.
Regards,
Sandeep

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