Check the statistics on the replicated server, make sure they are current (or at least as current as the other servers).

I think you can combine the two queries, possibly if will perform better, esp. if the joins are a lot of overhead. As to the joins, they seem fairly...

ChrisM@Work (8/25/2015)

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ScottPletcher (8/25/2015)

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ChrisM@Work (8/25/2015)

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ScottPletcher (8/25/2015)

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ChrisM@Work (8/25/2015)

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ScottPletcher (8/21/2015)

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ChrisM@Work (8/21/2015)

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ScottPletcher (8/21/2015)

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ChrisM@Work (8/21/2015)

The inner select can be accelerated with this index:

CREATE INDEX ix_Helper ON [cts].[exception_Main]

(productArea, reportable, reportYear, reportMonth, queueID)

INCLUDE (volume, cost,...

ChrisM@Work (8/25/2015)

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ScottPletcher (8/25/2015)

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ChrisM@Work (8/25/2015)

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ScottPletcher (8/21/2015)

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ChrisM@Work (8/21/2015)

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ScottPletcher (8/21/2015)

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But with...

ChrisM@Work (8/25/2015)

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ScottPletcher (8/21/2015)

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ChrisM@Work (8/21/2015)

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ScottPletcher (8/21/2015)

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But with the best...

UPATE TblNAme

SET DOB = substring(DOB,5,4)+SUBSTRING(DOB,1,2)+SUBSTRING(DOB,3,2)

WHERE ISDATE([DOB]) != 1

and DOB is not null

and DOB <>''

Iow, be sure to cast at least one of the values in the expression to (max):

select @t=cast('abc' as varchar(max)) + replicate('x', 2000) + char(10) +

'abc' + replicate('x', 2000)+ char(10)...

Jeff Moden (8/21/2015)

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For too many reasons to explain here, SQL Server really, really likes NOT NULL, UNIQUE, ever increasing, narrow clustered indexes. A date time column can be very...

The key to best performance is the best clustering index.

For what's shown, the only potential change that's needed is for the credit_application table. Perhaps it should be clustered on...

ChrisM@Work (8/21/2015)

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ScottPletcher (8/21/2015)

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But with the best clustered index...

But with the best clustered index now on...

Interesting. Edit: The only reason that particular join should be slow is the large number of lookups, since the map_exception table only has a few hundred rows. End-Edit.

At any...

drew.allen (8/19/2015)

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I didn't realize that was the case. In that case my query...

Excellent point about the underscore, it definitely needs bracketed.

Be careful. The ? is replaced with a fully delimited schema and table, such as:

[dbo].[table1]

Thus, a comparison like:

IF ''?'' LIKE ''%[_]st''

can...

CREATE TABLE #AccountNum_Custom_Handling (

AccountNum varchar(50) NOT NULL PRIMARY KEY,

action_to_take char(1) NOT NULL

CHECK(action_to_take IN ('D',...