Links
• Home
• 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
Lag function problem was: Never ending activity in temp file

Lag function problem was: Never ending activity in temp file

2005-04-13       - By Edgar Chupit

Reply:     1     2     3     4  

On 4/13/05, Gints Plivna <gints.plivna@(protected)> wrote:
> The real problem generally was, to count all codes for particular persons=
,
> but in a following manner:
> if person has code 'LVA' then count it and only it.
> if person hasn't code 'LVA' then count all other codes particular person =
has.


For a question like this you probably don't need analytics at all. You
can write it using simple group by functions:

   SELECT id
              , nvl( sum( case when code =3D 'LVA' then 1 end ),
count(*) ) code_count
      FROM source
   GROUP BY id

Have a nice day.

--=20
 Edgar
--
http://www.freelists.org/webpage/oracle-l