Re: Null and Not Null
От | Robert B. Easter |
---|---|
Тема | Re: Null and Not Null |
Дата | |
Msg-id | 00122618175002.09238@comptechnews обсуждение исходный текст |
Ответ на | Null and Not Null ("Mike Hammonds" <mhammonds@knowledgeinenergy.com>) |
Список | pgsql-novice |
Look at http://www.comptechnews.com/~reaster/dbdesign.html#three-valued-logic Might be helpful. On Tuesday 26 December 2000 10:43, Mike Hammonds wrote: > > ** Reply Requested When Convenient ** > > Can some one please help me understand Null and Not Null > > Thanks > > Mike Hammonds, CNE5, MCP-NT > Fellon-McCord & Associates, Inc. > Office: 502.214-6324 > Fax: 502.426.8800 > mhammonds@knowledgeinenergy.com > Show Me the Code!! ---------------------------------------- Content-Type: text/plain; charset="US-ASCII"; name="Attachment: 1" Content-Transfer-Encoding: 7bit Content-Description: ---------------------------------------- -- -------- Robert B. Easter reaster@comptechnews.com --------- - CompTechNews Message Board http://www.comptechnews.com/ - - CompTechServ Tech Services http://www.comptechserv.com/ - ---------- http://www.comptechnews.com/~reaster/ ------------
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