String filtering SQL Query help

Question

We have a table set up as follows
| Type | Content | Date |
(date is unimportant for my problem, however)
I have a string which I am checking to see if it contains any of the words in the table with the type 'TEXT' using the following query.
SELECT content FROM content_blocking WHERE type = 'TEXT' and upper(?) like upper('%' || content || '%')
Basically this filter is returning words that it should not because they are contained within legitimate words. Basically I would like to filter all of the words with type 'ACCTEXT', which we have just added, out of the string before I check for the unallowed words of type 'TEXT'
I have been hacking away at getting a query that can do it, but for some reason can't put my finger on exactly how to do it. If anyone could help, it would be greatly appreciated.
Thanks,
Marshall

Answer 1

There is Oracle Text functionality which already does this. Check it out ...
SQL> CREATE TABLE codex_verbumum_prohibitorum (naughty_word varchar2(10))
  2  /
Table created.
SQL> INSERT INTO codex_verbumum_prohibitorum VALUES ('GOSH')
  2  /
1 row created.
SQL> INSERT INTO codex_verbumum_prohibitorum VALUES ('CRIPES')
  2  /
1 row created.
SQL> INSERT INTO codex_verbumum_prohibitorum VALUES ('CRIVVENS')
  2  /
1 row created.
SQL> INSERT INTO codex_verbumum_prohibitorum VALUES ('HECK')
  2  /
1 row created.
SQL> INSERT INTO codex_verbumum_prohibitorum VALUES ('SEMEN')
  2  /
SQL> CREATE TABLE what_ever (id number, some_text varchar2(100))
  2  /
Table created.
SQL> INSERT INTO what_ever VALUES (1, 'Blah blah blah cripes blah')
  2  /
1 row created.
SQL> INSERT INTO what_ever VALUES (2, 'Blah blah blah gosh blah')
  2  /
1 row created.
SQL> INSERT INTO what_ever VALUES (3, 'Blah blah blah poop blah')
  2  /
1 row created.
SQL> INSERT INTO what_ever VALUES (4, 'Blah heck blah cripes blah')
  2  /
1 row created.
SQL> INSERT INTO what_ever VALUES (5, 'Blah advertisement blah')
  2  /
1 row created.
SQL> COMMIT
  2  /
Commit complete.
SQL> CREATE INDEX cvp_word ON codex_verbumum_prohibitorum (naughty_word)
  2  INDEXTYPE IS CTXSYS.CTXRULE
  3  /
Index created.
SQL>
SQL> SELECT w.id, cvp.naughty_word
  2  FROM codex_verbumum_prohibitorum cvp, what_ever w
  3  WHERE MATCHES(cvp.naughty_word, w.some_text)>0
  4  /
        ID NAUGHTY_WO
         1 CRIPES
         2 GOSH
         4 CRIPES
         4 HECK
SQL> You'll notice I have taken a flier at what I think is the naughty word in "advertisement" ;)
You may also be interested in an alternate Text implementation posted by Re: forbidden words list and intermedia index.
Cheers, APC
I see the forum nanny still thinks p00p is a dirty word :(
Message was edited by:
APC