about NULL - Mailing list pgsql-hackers

From zhangyue
Subject about NULL
Date
Msg-id 200305211548390.SM01104@zhangyue
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List pgsql-hackers
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 ?
Thanks.


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