Article View: borland.public.vdbase.data.sql
Article #742Re: Select NULL and Unique
From: Eryk Bottomley
Date: Thu, 09 Jul 1998 00:00
Date: Thu, 09 Jul 1998 00:00
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986 bytes
David, >How do I create a SQL statement to NOT select fields that are blank. It >is a character field, and when I try select * from mdbf for mfield IS >NOT NULL, I still get rows that contain the blank field in my result >rowset. SELECT * FROM MYTABLE WHERE (MYFIELD IS NOT NULL) ...is standard SQL syntax. >How do I achieve the equivalient of a unique index, to eliminate >duplicates in my rowset? I have a unique index available, so do I SELECT DISTINCT .....blah Eryk
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: ff5a1,6f7a5dab459b19d0 X-Google-Attributes: gidff5a1,public From: "Eryk Bottomley" <eryk@compuserve.com> Subject: Re: Select NULL and Unique Date: 1998/07/09 Message-ID: <6o22f8$ktq3@forums.borland.com> X-Deja-AN: 369815273 References: <35A3AD4A.5A37@compuserve.com> X-MimeOLE: Produced By Microsoft MimeOLE V4.72.2106.4 Organization: Another Netscape Collabra Server User Newsgroups: borland.public.vdbase.data.sql