On 10/19/06, Igor Neyman <ineyman@xxxxxxxxxxxxxx> wrote:
Is there some criteria affecting which county_factor_id ('01', '02', etc.) is concatenated? I couldn't find one looking at your query, must be missing something.
But, if there is one, you could use DECODE instead of 67 UNIONs:
The CASE statement is another option, which can be useful if the conditions don't lend themselves to simple matching.
SQL> create table test ( 2 col1 varchar2(10) 3 );
Table created.
SQL> insert into test values ('abc');1 row created.
SQL> insert into test values ('123');1 row created.
SQL> select col1 || case when col1 = 'abc' then 'def' 2 when col1 = '123' then '456' 3 end col1 4 from test;
COL1 ------------- abcdef 123456
-- "I'm too sexy for my code." - Awk Sed Fred. -- //www.freelists.org/webpage/oracle-l
