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Replace empty string with No Data

Posted on 2013-05-29
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Last Modified: 2013-05-30
I have a field1 text type in MS access table1 that could have empty string in.

I need to create select statement that will work in Access and SQL Server to replace empty string to “No Data”
Something as replace function, however replace is not working in SQL Server, not sure with Nz too.

Any idea?
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Question by:Taras
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Expert Comment

by:PortletPaul
ID: 39206502
does "empty string" mean "null"? (I will assume it does.)

syntax differences between the 2 products may preclude a single solution

sql server:

isnull([field1],'no data')
case when [field1] is null then 'no data' else [field1] end

in access: (I think, not my strength)

nz([field1],"no data")
iif(isnull([field1]),"no data",[field1])
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Author Comment

by:Taras
ID: 39206503
Empty string means "" not Null
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by:PortletPaul
ID: 39206514
by the way, you should include sql server as a topic if asking sql server related questions
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LVL 49

Expert Comment

by:PortletPaul
ID: 39206529
ok, my bad - wasn't sure

I think you face the same sort of issues however in that syntax differs between the 2 products.

sql server:

case when [field1] ='' then 'no data' else [field1] end

in access: (I think, not my strength)

iif([field1]="","no data",[field1])
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Author Comment

by:Taras
ID: 39206549
I need Select statment.
I know for IIF(condition,true,false)
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PortletPaul earned 2000 total points
ID: 39206561
>>I need to create select statement that will work in Access and SQL Server to replace empty string to “No Data”

I am unable to suggest one that will work in both - which was my point really. Perhaps someone else can.

select -- sql server
case when [field1] ='' then 'no data' else [field1] end as field1
from [dbo].[table1]

select -- access, I think
iif([field1]="","no data",[field1]) field1
from [table1]

I'd be more than happy to provide a more comprehensive query, but I only know of [field1] & [table1]

{+ edit sorry a typo fixed}
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Author Closing Comment

by:Taras
ID: 39209179
Thanks a lot
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