Value key field in XML for JDBC scenario

Hi All,

I am working on RFC to JDBC scenario.

I have one table in Oracle DB (like mara in sap).

I wants to read whole data through JDBC adapter.

I am doing following mapping:

'1' - SELECT

'SELECT' - @action

access

<tablename> - table

'' - <fields1...n>

key

???? - <key field1>

Q1) Pls suggest what value i give in key field to

select all records from DB????

Q2) Pls suggest what value i give in key field to

select records with db_field1<> ''????

Regards