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À
07/07/2011 20:20:50
Muthu Vel
Sty Company
Inde
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Re: Query
Versions des environnements
Visual FoxPro:
VFP 9
OS:
Windows XP SP2
Database:
Visual FoxPro
Divers
Thread ID:
01517647
Message ID:
01517650
Vues:
36
>I have student.dbf with fileds 1.regno(C), 2.name(C), 3.dob(D), 4.Course(C), 5.category(C)
>
>How to write SQL Query for find empty value of all field of my "student.dbf" table?

I am not sure if I am reading well your request, for the answers you've got are not as I understood the question, this is what I thought you wanted:
SELECT * FROM Student WHERE EMPTY(RegNo + Name + Course + Category) and EMPTY(DOB) 
That will give you the records that have all the fields empty (empty value of all field)?
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?

"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare

"To die for a religion is easier than to live it absolutely"
Jorge L. Borges
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