Comments on: Oracle Analytic Functions

By: Greg Rahn

Greg Rahn — Fri, 27 May 2011 17:28:13 +0000

Introduced in 11.2:
http://download.oracle.com/docs/cd/E11882_01/server.112/e17128/chapter1.htm#FEATURENO08750
Details:
http://download.oracle.com/docs/cd/E14072_01/server.112/e10592/functions087.htm

SQL> create table t1 (key varchar2(8), value varchar2(16));

Table created.

SQL> insert into t1 values ('A1','AAA');

1 row created.

SQL> insert into t1 values ('A1','BBB');

1 row created.

SQL> commit;

Commit complete.

SQL> select key, listagg(value,',') within group (order by key) as comma_list
     from t1 group by key;

KEY              COMMA_LIST
---------------- --------------------------------------------------
A1               AAA,BBB

By: Adil khan

Adil khan — Fri, 27 May 2011 07:34:13 +0000

SQL> select key, listagg(value,’,') within group (order by key) as comma_list
from t1
group by key;
ORA-00923: FROM keyword not found where expected
not working in oracle db

By: Greg Rahn

Greg Rahn — Wed, 28 Apr 2010 18:04:18 +0000

@Ashish In 11.2 you can use the LISTAGG function like such:

SQL> select key, listagg(value,',') within group (order by key) as comma_list
  2  from t1
  3  group by key;

KEY COMMA_LIST
--- --------------------------------
A1  AAAA,BBBB

If you are on an older release see Tom Kyte's example.

By: Ashish

Ashish — Wed, 28 Apr 2010 06:37:16 +0000

Hi, i have a query suppose a table has two columns code ,scrip with two rows
code,scrip
A1 AAAA
A1 BBBB

Result should be
A1,AAAA,BBBB

how can i get mentioned result. will anyone help me.

By: Gints Plivna

Gints Plivna — Mon, 27 Aug 2007 10:12:36 +0000

I completely agree with you and
[self promotion start] :)
I have written an article about analytic functions (4 cases from real world reports) here
http://www.gplivna.eu/papers/using_analytic_functions_in_reports.htm
[self promotion end]