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  #1  
Old November 18th, 2002, 05:00 PM
wordracr wordracr is offline
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Query in Access

Ok..I hate using Access compared to PHP/mysql, but it's for school.

In the Access query design screen....
How can I make a query pick only records that have a blank value in a certain field?

Thank you everyone for your help!!

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Old November 23rd, 2002, 12:25 PM
cuboctahedron cuboctahedron is offline
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SELECT
mytable.certainfield1,
mytable.certainfield2,
mytable.certainfield3
WHERE
mytable.certainfield2=Null;

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Old November 24th, 2002, 09:53 PM
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a.koepke a.koepke is offline
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You can use NULL as per above, but sometimes i have had access not recognise a field as Null. The other problem happens when a user enters in a space in the field.

Using a combination of Len & Trim gives you something that will handle those cases.

SELECT
mytable.certainfield1,
mytable.certainfield2,
mytable.certainfield3
WHERE
Len(Trim(mytable.certainfield2))=0;

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