RE: Calculating of the Median of Data

Khedr;
  That was the kind of thing I was looking for. A simple select
(relatively) that can be added to another data select that I have for a
report I am producing for a client.

Thanks

And thanks to all that answered !

Kevin

-----Original Message-----
Sent: Thursday, June 21, 2001 7:01 PM
To: Multiple recipients of list ORACLE-L

What about this:
SQL> create table median ( c1 number );

Table created.

SQL> insert into median values (1);

1 row created.

SQL> insert into median values (1);

1 row created.

SQL> insert into median values (3);

1 row created.

SQL> insert into median values (5);

1 row created.

SQL> insert into median values (5);

1 row created.

SQL> select avg(c1)
  2 from (select count(*) m_count from median) A,   3 (select c1, rownum b_rownum from (select c1 from median order by c1)) B
  4 where b_rownum between (m_count / 2) and (m_count / 2) +1;

  AVG(C1)

        3

SQL> 
SQL> 
SQL> insert into median values (6);

1 row created.

SQL> select avg(c1)
  2 from (select count(*) m_count from median) A,   3 (select c1, rownum b_rownum from (select c1 from median order by c1)) B
  4 where b_rownum between (m_count / 2) and (m_count / 2) +1;

  AVG(C1)

        4

Regards,

Waleed

-----Original Message-----
Sent: Thursday, June 21, 2001 6:54 PM
To: Multiple recipients of list ORACLE-L

Does anyone have a handy function for calculating the Median of data ?? It seems like it should be simple ...but

-----Original Message-----
Sent: Thursday, June 21, 2001 5:32 PM
To: Multiple recipients of list ORACLE-L

Thank you Jeremiah

-----Original Message-----
Sent: Thursday, June 21, 2001 5:01 PM
To: Multiple recipients of list ORACLE-L

This used to work on other platforms and versions, but my HP-UX 64 bit binary
doesn't have any interesting strings any more:

strings $ORACLE_HOME/bin/oracle | perl -ne 'print if /^_[a-z]+_[a-z]/' | sort | uniq

The typical location for underscore parameters is x$ksppi:

(as SYS:)

select KSPPINM, KSPPDESC from x$ksppi where substr(KSPPINM,1) = '_';

The event codes (most of them) are documented in $ORACLE_HOME/rdbms/mesg/oraus.msg, after error number 10000.

--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton

On Thu, 21 Jun 2001, Kevin Lange wrote:

>   Is there any place that has a list of ALL the things you can put into
the
> Init file and what they do ??   Not just the regular  option strings.... I
> can get a list of these from a couple of web sites , but all of the hidden
,
> and as far as I know, undocumented EVENT strings as well??

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