Scale type or objects not working

Question

Using the shift key to constrain proportions on type or objects doen't seem to work for me. I'm using version 13.0.2. It doesn't work using the scale tool or by dragging endpoints. Am I missing something here?
Michael

Answer 1

Hi,
It's not the "trim" that implies "not null", but rather the fact that:
- "not like" operator works only on non-null values and
- "not like" operator disregards null values.
Consider this:
test@ORA92>
test@ORA92>
test@ORA92> l
  1  with x as (
  2    select null as y from dual union all
  3    select 'a9999' from dual union all
  4    select 'bxx' from dual
  5  )
  6  select * from x
  7* where y not like '%9999'
test@ORA92>
test@ORA92> /
Y
bxx
1 row selected.
test@ORA92>
test@ORA92>Here, trim function was not used, but still the first row (that had null for y) was not returned. That's because Oracle disregarded the first row for comparison and out of the next two rows, it returned the third row because it satisfied the condition.
As for your query, do the following conditions hold true:
1. if status_code is null      - show the row regardless of order_type
2. if status_code <> 'T'       - show the row regardless of order_type
3. if status_code in (a,b,c,d) and order_type is not null and order_type ends with something other than 9999 - show the row
4. if status_code in (a,b,c,d) and order_type is null                           - do not show the row
5. if status_code in (a,b,c,d) and order_type is not null and it ends with 9999 - do not show the row
6. if status_code is anything other than (a,b,c,d)                              - do not show the rowpratz