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
ORA-01476:divisor is equal to zero
Cause:An expression attempted to divide by zero.
Action:Correct the expression, then retry the operation.
Posts about ORA-01476

Divisor is equal to zero

Hi WISH YOU ALL A VERY HAPPY NEW YR. To find the buffer hit ratio when I executed the following query its giving me one error " (a.value+b.value)) * ERROR at line 4 ORA-01476 divisor is equ


Select from V$SGA_TARGET_ADVICE fails on Oracle 10.2 for Linux. The error reported is about division by zero SQL > select * from v$sga_target_advice select * from v$sga_target_advice

Query capture

Stephen Are you sure it ran successfully? I got error on a 9206 database on W2000. Regards Rafiq SQL > set linesize 132 SQL > set pagesize 100 SQL > break on query SQL > column query format a50 w

A Cure for Madness -- define the error value

Handling nulls consistently is specified in the "rules. " (Ted Codd 's 12 (which are really 13 if you count zero)) Specification of a value for "some error happened along the way so I don 't know w

A Cure for Madness

I agree Niyi -- just to add my two cents the SQL language is missing/lacking functionality to implement this properly. in relational algebra "(R WHERE P) WHERE Q " is logically equivalent with "R

Script to overcome ORA-54 during DDL

Because if you do not have a when-others the error is automatically raised... You DON 'T NEED the when-others SQL > declare 2 x number 3 begin 4 x 1 / 0 5 exception 6
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Oracle Database Server Error Codes
ORA-00020   ORA-00054   ORA-00119   ORA-00279   ORA-00381   ORA-00439   ORA-00600   ORA-00604   ORA-00904   ORA-00907   ORA-00911   ORA-00922   ORA-00923   ORA-00936   ORA-00942   ORA-01000   ORA-01017   ORA-01031   ORA-01033   ORA-01034   ORA-01078   ORA-01092   ORA-01113   ORA-01122   ORA-01161   ORA-01422   ORA-01501   ORA-01555   ORA-01562   ORA-01578   ORA-01650   ORA-01652   ORA-01658   ORA-01722   ORA-01756   ORA-01843   ORA-01925   ORA-01940   ORA-02019   ORA-02097   ORA-02143   ORA-03113   ORA-04030   ORA-04031   ORA-04068   ORA-06502   ORA-06512   ORA-06531   ORA-06550   ORA-07445   ORA-12154   ORA-12203   ORA-12500   ORA-12535   ORA-12540   ORA-12545   ORA-12560   ORA-12599   ORA-12638   ORA-12709   ORA-12838   ORA-12913   ORA-16038   ORA-20000   ORA-24324   ORA-27125   ORA-28575   ORA-28576   ORA-29283   ORA-29540   ORA-32004