All Oracle Error Codes
Oracle DBA Forum

Frequent Oracle Errors

TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
table or view does not exist
end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
PL/SQL: numeric or value error string
TNS:protocol adapter error
ORACLE not available
target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
ORACLE initialization or shutdown in progress
archiver error. Connect internal only, until freed
snapshot too old
unable to extend temp segment by string in tablespace
Credential retrieval failed
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
TNS:packet writer failure
see ORA-12699
missing right parenthesis
name is already used by an existing object
cannot identify/lock data file
invalid file operation
quoted string not properly terminated

Re: Restoring 64 bit database to 32 bit Server

cichomitiko gmail


> The control files are however, different - they must be recreated when
> migrating from 32-bit -> 64 bit.

If I'm not missing something, what about restore the controlfile wherever
possible and then startup mount (with any p/spfile, db_name is sufficient)
and then alter database backup controlfile to trace to get the right

You could also use the rman resore controlfile from
'<path>/<autobackup_file>' (under dbs or restored as normal file) in nomount

$ rman target /

Recovery Manager: Release - Production on Sat Sep 9 12:23:50 2006

Copyright (c) 1982, 2005, Oracle. All rights reserved.

connected to target database: ora10gr2 (not mounted)

RMAN> restore controlfile from
2> ;

Starting restore at 09-SEP-06
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=159 devtype=DISK

channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:05
output filename=/app/oracle/oradata/ora10gr2/control01.ctl
output filename=/app/oracle/oradata/ora10gr2/control02.ctl
output filename=/app/oracle/oradata/ora10gr2/control03.ctl
Finished restore at 09-SEP-06