Search one column for value in another column

Question

Hello,
I am trying to take the whole value from one column, and see if that string appears anywhere in another colmn. So if one row in one column has the value "cat", I want to see if that string appears anywhere in any row in another column: so a row with the value "The cat sat on the mat" would return true.
I have tried:
select term from pic_lib_keywords, csv
where contains (csv.nhm_field_asset_description,pic_lib_keywords.term) >0;
But I get the error:
ORA-20000: Oracle Text error:
DRG-50901: text query parser syntax error on line 1, column 32
20000. 00000 - "%s"
*Cause:    The stored procedure 'raise_application_error'
was called which causes this error to be generated.
*Action:   Correct the problem as described in the error message or contact
the application administrator or DBA for more information.
Can you use 2 columns in this way, or does the search term have to be a literal? Any suggestions would be appreciated.
Thank you.

Answer 1

It works for me, as shown below.
SCOTT@orcl_11gR2> select * from v$version
  2  /
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE     11.2.0.1.0     Production
TNS for 64-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
5 rows selected.
SCOTT@orcl_11gR2> create table csv
  2    (nhm_field_asset_description  clob)
  3  /
Table created.
SCOTT@orcl_11gR2> insert all
  2  into csv values ('The cat sat on the mat.')
  3  into csv values ('The dog sat on the mat.')
  4  select * from dual
  5  /
2 rows created.
SCOTT@orcl_11gR2> create table pic_lib_keywords
  2    (term  varchar2(30))
  3  /
Table created.
SCOTT@orcl_11gR2> insert all
  2  into pic_lib_keywords values ('cat')
  3  into pic_lib_keywords values ('mouse')
  4  select * from dual
  5  /
2 rows created.
SCOTT@orcl_11gR2> create index test_idx
  2  on csv (nhm_field_asset_description)
  3  indextype is ctxsys.context
  4  /
Index created.
SCOTT@orcl_11gR2> select term
  2  from   pic_lib_keywords, csv
  3  where  contains
  4             (csv.nhm_field_asset_description,
  5              pic_lib_keywords.term) >0
  6  /
TERM
cat
1 row selected.
SCOTT@orcl_11gR2>