http://blog.dahlia.pe.kr/articles/2008/11/13/postgresql%ec%97%90%ec%84%9c-interval%ec%9d%84-%ec%9b%90%ed%95%98%eb%8a%94-resolution%ec%9d%98-%ec%a0%95%ec%88%98%eb%a1%9c-%ea%b0%80%ec%a0%b8%ec%98%a4%ea%b8%b0 Programming, Writing, Reading, Thoughts… Wed, 09 Dec 2009 09:52:38 +0000 hourly 1 http://wordpress.org/?v=3.3.1