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Публикации с меткой ‘пробел’

Замена кратных пробелов на один

17 Март 2010 4 comments 
with t as (
  select 1 id, 'a s        sfd' info from dual
   union all
  select 2 id, 'a        b; g;g ;g  f' info from dual
   union all
  select 3 id, 'a     ' info from dual
   union all
  select 4 id, '     ' info from dual
)
SELECT id, REGEXP_REPLACE(TRIM(info), '  *', ' ') AS info_new FROM t
ORDER BY id;

Пример:

        ID INFO_NEW
---------- --------------------------------------------------------------------------------
         1 a s sfd
         2 a b; g;g ;g f
         3 a
         4
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