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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: problems with memory

Remigiusz Sokołowski

2007-05-11

Replies:
Dennis Williams wrote:
> Remigiusz,
>
> A cruder method which might reduce the incident of these errors would
> be to increase the SGA, assuming you can allocate more memory.
>
> Dennis Williams
Not exactly, I guess. If it is automatic management, this does not mean
one is secure - increasing SGA_TARGET does not mean that in particular
moment there is enough memory in let's say shared pool.
The way is to increase minimal setting for SHARED_POOL_SIZE and yes,
that could help (and that could be done without increasing SGA_TARGET).
Anyway we just turn it off.

--
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Remigiusz Sokolowski <rems@(protected)>
WP/PTI/DIP/ZAB (+04858) 52 15 770
MySQL v04.x,05.x; Oracle v10.x

Zastrzezenie:
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i nie jest w zadnym wypadku zwiazana ze stanowiskiem przedsiebiorstwa
Wirtualna Polska S.A.
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