Re: [HACKERS] about NULL
От | DeJuan Jackson |
---|---|
Тема | Re: [HACKERS] about NULL |
Дата | |
Msg-id | 3ECBA570.8000809@speedfc.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] about NULL ("Shridhar Daithankar" <shridhar_daithankar@persistent.co.in>) |
Список | pgsql-general |
SELECT * FROM tb WHERE name IS NULL;
And I think it should have been on the SQL list, myself...
Shridhar Daithankar wrote:
And I think it should have been on the SQL list, myself...
Shridhar Daithankar wrote:
On 21 May 2003 at 16:10, zhangyue wrote:Hi, How can I get the tuples one of whose attributes is NULL? For example, First, create table tb(id int,name text); Then insert into tb values(1); insert into tb values(2,'Rose'); I want to select the tuples whose attribute name= NULL, How to write the sql ?select columns from table where attribute is null; This should have been on postgresql-general, not on hackers.. HTH ByeShridhar -- Fourth Law of Applied Terror: The night before the English History mid-term, your Biology instructor will assign 200 pages on planaria.Corollary: Every instructor assumes that you have nothing else to do except study for that instructor's course. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
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