Re: ORA-03113: end-of-file on communication channel

I think, your session is terminated by Oracle. Look for any core files or 
trace files and start to trace your session.

Thank You,

Kind Regards,
Sreejith Nair




From:   jo <jose.soares@xxxxxxxxxxxxxx>
To:     ORACLE-L <oracle-l@xxxxxxxxxxxxx>
Date:   03/22/2011 04:35 PM
Subject:        ORA-03113: end-of-file on communication channel
Sent by:        oracle-l-bounce@xxxxxxxxxxxxx



Hi all,

Does someone know what this error mean?
"end-of-file on communication channel"

I have the following table, with no rows stored:

name            | data_type | nullable | data_default  | data_length
--------------- + --------- + -------- + ------------- + -----------
COD_MALATTIA    | NVARCHAR2 | Y        | NULL          | 20
COD_MATRICE     | NVARCHAR2 | Y        | NULL          | 20
COD_NAZIONE     | NVARCHAR2 | Y        | NULL          | 6
DATA_FINE       | DATE      | Y        | NULL          | 11
DATA_INIZIO     | DATE      | N        | CURRENT_DATE  | 11
ID              | NUMBER    | N        | NULL          | 38
ID_MACELLAZIONE | NUMBER    | N        | NULL          | 38

I tried these queries:

select count(*) from restrizione where COD_MALATTIA    is not null
count(*)
--------
0

select count(*) from restrizione where COD_MATRICE     is not null
count(*)
--------
0

select count(*) from restrizione where COD_NAZIONE     is not null
count(*)
--------
0

select count(*) from restrizione where DATA_INIZIO     is not null
count(*)
--------
0

select count(*) from restrizione where ID              is not null
count(*)
--------
0

select count(*) from restrizione where ID_MACELLAZIONE is not null
count(*)
--------
0

select count(*) from restrizione
count(*)
--------
0

but this one raises the error

select count(*) from restrizione where DATA_FINE       is not null
ORA-03113: end-of-file on communication channel

Only when I use DATA_FINE column in the WHERE clause it raise the error.
what's wrong with this column?

Thanks for any help.

j

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