Data type mismatch

When I run the following query I get an error: "Data type mismatch in criteria expression"

If I remove the SMARTQtr expression the query runs ok.  What is wrong with the SMARTQtr expression?  It seems to work in other queries.  Thanks.
RishiSingh05Asked:
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peter57rConnect With a Mentor Commented:
Can't see anything obvious .
What is the datatype of smartmth?
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DatabaseMX (Joe Anderson - Microsoft Access MVP)Database ArchitectCommented:
You will probably need to post the SQL for your query :-)

mx
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RishiSingh05Author Commented:
Yes !! I forgot  ...

SELECT "Members" AS Id, Left(Revenue.SMARTMth,4) & " Q" & DatePart("q",DateSerial(Left(Revenue.SMARTMth,4),Mid(Revenue.SMARTMth,5),1)) AS SMARTQtr, [Cohort] & " " & [Dual/Medicaid] AS Cohort2, Sum(Revenue.[Member Count]) AS [SumOfMember Count]
FROM Revenue LEFT JOIN 6CareODSCohort ON (Revenue.[Subscriber ID] = [6CareODSCohort].MedicaidID) AND (Revenue.SMARTMth = [6CareODSCohort].Month)
GROUP BY "Members", Left(Revenue.SMARTMth,4) & " Q" & DatePart("q",DateSerial(Left(Revenue.SMARTMth,4),Mid(Revenue.SMARTMth,5),1)), [Cohort] & " " & [Dual/Medicaid];
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DatabaseMX (Joe Anderson - Microsoft Access MVP)Database ArchitectCommented:
I'm not seeing a Criteria expression or SMARTQtr   ?? Is there a missing WHERE clause ?

mx
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RishiSingh05Author Commented:
There is no missing WHERE clause.  This is the expession for SMARTQtry:

SMARTQtr: Left(Revenue.SMARTMth,4) & " Q" & DatePart("q",DateSerial(Left(Revenue.SMARTMth,4),Mid(Revenue.SMARTMth,5),1))
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RishiSingh05Author Commented:
text
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RishiSingh05Author Commented:
This query works.  It does not have the expression:
SMARTQtr: Left(Revenue.SMARTMth,4) & " Q" & DatePart("q",DateSerial(Left(Revenue.SMARTMth,4),Mid(Revenue.SMARTMth,5),1))
===

SELECT "Members" AS Id, Revenue.SMARTMth, [Cohort] & " " & [Dual/Medicaid] AS Cohort2, Sum(Revenue.[Member Count]) AS [SumOfMember Count]
FROM Revenue LEFT JOIN 6CareODSCohort ON (Revenue.SMARTMth = [6CareODSCohort].Month) AND (Revenue.[Subscriber ID] = [6CareODSCohort].MedicaidID)
GROUP BY "Members", Revenue.SMARTMth, [Cohort] & " " & [Dual/Medicaid];
===
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RishiSingh05Author Commented:
Now it works !!

SELECT "Members" AS Id, Left([Revenue].[SMARTMth],4) & " Q" & DatePart("q",DateSerial(Left([Revenue].[SMARTMth],4),Mid([Revenue].[SMARTMth],5),1)) AS SMARTQtr, [Cohort] & " " & [Dual/Medicaid] AS Cohort2, Sum(Revenue.[Member Count]) AS [SumOfMember Count]
FROM Revenue LEFT JOIN 6CareODSCohort ON (Revenue.SMARTMth = [6CareODSCohort].Month) AND (Revenue.[Subscriber ID] = [6CareODSCohort].MedicaidID)
GROUP BY "Members", Left([Revenue].[SMARTMth],4) & " Q" & DatePart("q",DateSerial(Left([Revenue].[SMARTMth],4),Mid([Revenue].[SMARTMth],5),1)), [Cohort] & " " & [Dual/Medicaid];
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RishiSingh05Author Commented:
I have two databases.  The above SQL works in one db but not in the other ...
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8080_DiverCommented:
Okay, then you need to compare the datatypes in the two databases for the [Revenue] table and any other tables involved in that bit of the WHERE clause.
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RishiSingh05Author Commented:
ok
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RishiSingh05Author Commented:
To summarize my problem:

The following query works ok:
===
SELECT "Members" AS Id, Revenue.SMARTMth, [Cohort] & " " & [Dual/Medicaid] AS Cohort2, Sum(Revenue.[Member Count]) AS [SumOfMember Count]
FROM Revenue LEFT JOIN 6CareODSCohort ON (Revenue.SMARTMth = [6CareODSCohort].Month) AND (Revenue.[Subscriber ID] = [6CareODSCohort].MedicaidID)
GROUP BY "Members", Revenue.SMARTMth, [Cohort] & " " & [Dual/Medicaid];
===

But if I change SMARTMth to this expression: SMARTQtr: Left([Revenue.SMARTMth],4) & " Q" & DatePart("q",DateSerial(Left([Revenue.SMARTMth],4),Mid([Revenue].[SMARTMth],5),1))

so that the query becomes:
===
SELECT "Members" AS Id, Left([Revenue.SMARTMth],4) & " Q" & DatePart("q",DateSerial(Left([Revenue.SMARTMth],4),Mid([Revenue].[SMARTMth],5),1)) AS SMARTQtr, [Cohort] & " " & [Dual/Medicaid] AS Cohort2, Sum(Revenue.[Member Count]) AS [SumOfMember Count]
FROM Revenue LEFT JOIN 6CareODSCohort ON (Revenue.SMARTMth = [6CareODSCohort].Month) AND (Revenue.[Subscriber ID] = [6CareODSCohort].MedicaidID)
GROUP BY "Members", Left([Revenue.SMARTMth],4) & " Q" & DatePart("q",DateSerial(Left([Revenue.SMARTMth],4),Mid([Revenue].[SMARTMth],5),1)), [Cohort] & " " & [Dual/Medicaid];
===

I get an error message:  "Data type mismatch in criteria expression"
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