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Mayank Tripathi

asked on 11/9/2017

Help required to optimize the below sql query .

SELECT  *
FROM
(
SELECT EntityId, [Key],Value FROM [dbo].[GA] with (nolock))t
PIVOT(MIN(Value)
      FOR [Key]
      IN (FirstName,LastName,Organization,StreetAddress,TrainingInstitution,EmploymentInstitution,SecondaryDegree,ZipPostalCode,CountryId,[city],StateProvinceId,[degree],LastVisitedPage,
UseRewardPointsDuringCheckout,SelectedShippingOption,SelectedPaymentMethod)
      )p
                where EntityId in (select id from dbo.cust with (nolock) where LastUpdated >=getdate()-5)

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Microsoft SQL Server

Last Comment

Mayank Tripathi

11/13/2017

11/9/2017

Please try this and see it helps -

SELECT  *
FROM
(
     SELECT EntityId, [Key],Value FROM [dbo].GA g with (nolock)
     WHERE EXISTS ( select NULL from dbo.cust c with (nolock) where c.id = g.EntityId AND c.LastUpdated >= getdate()-5 )
     
)t
PIVOT
(
     MIN(Value) FOR [Key]
           IN (  FirstName,LastName,Organization,StreetAddress,TrainingInstitution,EmploymentInstitution,SecondaryDegree,ZipPostalCode,
                     CountryId,[city],StateProvinceId,[degree],LastVisitedPage,
                UseRewardPointsDuringCheckout,SelectedShippingOption,SelectedPaymentMethod
                )
)p

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Mayank Tripathi

11/9/2017

ASKER

Above solution is also taking too long time to execute.

ASKER CERTIFIED SOLUTION

11/9/2017

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Mayank Tripathi

11/13/2017

ASKER

Thanks

Microsoft SQL Server

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

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