ORA-03113 end-of-file on communication channel Cause: An unexpected end-of-file was processed on the communication channel. The problem could not be handled by the Net8 two-task software. This message could occur if the shadow two-task process associated with a Net8 connect has terminated abnormally, or if there is a physical failure of the interprocess communication vehicle, that is, the network or server machine went down.

SQL> select 2*1024*1024*1024 -1 from dual;

2*1024*1024*1024-1
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