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Re: NOT NULL Columns [message #51699] Sat, 08 June 2002 04:00
manole@paneuro.ro
Messages: 1
Registered: June 2002
Junior Member
Hi,

It is worst with NOT NULL because in application must input data in this columns even if no need (zero for number type or some space for char type). That required more space for storage (in fact only in VARCHAR2 type column) and inefficient programming work.

Silviu.

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