Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sErIK-0046Me-8Z for pgsql-docs@arkaria.postgresql.org; Wed, 05 Jun 2024 14:07:17 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1sErIK-008v6e-9J for pgsql-docs@arkaria.postgresql.org; Wed, 05 Jun 2024 14:07:16 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sErIK-008v6V-1k for pgsql-docs@lists.postgresql.org; Wed, 05 Jun 2024 14:07:16 +0000 Received: from momjian.us ([72.94.173.45]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sErIH-00083J-GB for pgsql-docs@lists.postgresql.org; Wed, 05 Jun 2024 14:07:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=momjian.us; s=2024011501; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description; bh=Tbbh6R3YOOQDIdKCDJvrieB4/i6uJbZr0jFj6BDvxtk=; b=Kw/50 CGTO8jROfgaKwoigvx/6G+Q37toScPBvolr9UQB4Ye+vcwb/gvPB6teJT+WWumSrJC4qLP4+8ZNhV 6QhzAY4hPqaUdr+p5qd0VmKm2WtCSnPTa5AmeOKnxpa0l1DNcwTnnGLj6vjHUXbUCRPDZinroj4Qq q/xvG5kQsd7OazIWMi1va7emt6gE49Q5SokjguvSGBwnIWbFtpLVWMmdcDeNC8UFEbNWW6QCHlmux FT5i8LIpGt/36+3M2dnUiGIWrOMyyXCkBJRjCFR/at9kNeLdyH5qbaFoWMIoJgnFEJwG+pNV2uRyw x8WJJWKV7eYxLxyBOsnhRrBpfBMsA==; Received: from bruce by momjian.us with local (Exim 4.96) (envelope-from ) id 1sErIE-00HGOn-2K; Wed, 05 Jun 2024 10:07:10 -0400 Date: Wed, 5 Jun 2024 10:07:10 -0400 From: Bruce Momjian To: Laurenz Albe Cc: boopalan_sjb@yahoo.co.in, pgsql-docs@lists.postgresql.org Subject: Re: Need clarification on "field" Message-ID: References: <171753084225.2021730.5364580176816695483@wrigleys.postgresql.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Wed, Jun 5, 2024 at 12:15:45PM +0200, Laurenz Albe wrote: > On Tue, 2024-06-04 at 19:54 +0000, PG Doc comments form wrote: > > Under page "https://www.postgresql.org/docs/current/limits.html", below > > limitations are mentioned: > > > > field size - 1 GB > > identifier length - 63 bytes > > > > I understand "identifier" as the name we provide for tables, columns etc. > > > > By the way, what is "field" in Postgresql? I don't see any official > > page/explanation for this. > > The PostgreSQL term would be "attribute". Perhaps we should use that. > Alternatively, what about "column value"? It is perhaps not accurate, > because a Datum need not be stored in a column, but it might be readily > understandable. The way I understand it, we have rows and columns, and each "cell" is a field. -- Bruce Momjian https://momjian.us EDB https://enterprisedb.com Only you can decide what is important to you.