1. Make sure the tables were CREATEed and populated.
2. Ask you CICS system programers to define and install DB2TRAN, DB2ENTRY & DB2CONN in CICS (refer to the fine manual for more details).
3. Code SQL statements in your COBOL program using the EXEC SQL interface.
4. Before compiling your program, invoke DB2 pre-processor. Don't forget to BIND after successfull compilation.