Is there any defect when use null column in postgresql? - Mailing list pgsql-general

From leopay
Subject Is there any defect when use null column in postgresql?
Date
Msg-id e9369e430903152030s6de5e4bbpf4a9d9e27e2edad@mail.gmail.com
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List pgsql-general

I wanna if there is any defact when use null column in postgresql,
e.g. performance issue

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