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?
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Msg-id e9369e430903152000p3c4fc058rae4d35c69ea75692@mail.gmail.com
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Responses Re: is there any defect when use null column in postgresql?  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-general
I wanna if there is any defact when use null column in pg,
e.g. performance issue

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