Re: PSQL Data Type: text vs. varchar(n)
От | Jim Nasby |
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Тема | Re: PSQL Data Type: text vs. varchar(n) |
Дата | |
Msg-id | 129CC42D-26B3-4426-8A0A-B1117465F1A8@pervasive.com обсуждение исходный текст |
Ответ на | Re: PSQL Data Type: text vs. varchar(n) (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
On Mar 31, 2006, at 12:51 AM, Tom Lane wrote: > Well, if you are looking for the lowest-common-denominator textual > column datatype, then varchar(255) is probably it ... I think even > Bill > Gates would feel ashamed to sell a database that could not handle > that. > But my reading of the OP's question was about whether there's a > usefully > large value of N for which every available DB will take "varchar(N)". > I'm not real sure what the practical limit of N is in that question, > other than being pretty confident that Postgres isn't holding down > last place. Comments anyone? Not sure if it's still true, but DB2 used to limit varchar to 255. I don't think anyone limits it lower than that. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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