CTE in subquery?

Channel: CTE in subquery?

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CTE in subquery?

December 23, 2009, 10:48 am

something like this.Select eso, Case When iso is NULL then eso else iso End As iso, dt from ( Select eso, iso, dt, row_number() Over(Partition By ISNULL(eso, iso) Order By iso Desc) AS rn From NewOrder...

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CTE in subquery?

December 23, 2009, 10:47 am

Forgot to note: you can use a derived table instead of CTE:SELECT eso, COALESCE(iso, eso) AS iso, dt FROM (SELECT eso, iso, dt ROW_NUMBER() OVER(PARTITION BY COALESCE(eso, iso) ORDER BY iso DESC) AS rn...

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CTE in subquery?

December 23, 2009, 10:47 am

And just to add, you can do this:select X.columns from (select eso, iso, dt, row_number() over (partition by ISNULL(eso, iso) order by iso desc) as rn From NewOrder) as X where x.rn = 1) Phil...

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CTE in subquery?

December 23, 2009, 10:45 am

So what is the other option for the result I'm expecting instead of CTE can we use Temporary Table, if so can you show me an example according to my query, or if any other solution please let me...

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CTE in subquery?

December 23, 2009, 10:44 am

Then use a derived table instead.Select eso, Case When iso is NULL then eso else iso End As iso, dtfrom ( select eso, iso, dt, row_number() Over(Partition By ISNULL(eso, iso)...

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CTE in subquery?

December 23, 2009, 10:44 am

What do you really want to do? The syntax with subquery you posted does not make sense. You can accomplish that with the CTE as in your first example. Simply define the CTE and then in the subquery...

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CTE in subquery?

December 23, 2009, 10:42 am

You are basically trying to use a CTE as a derived table which is not permitted.One of the definitions of CTE is that it has to be followed by a SELECT,INSERT,UPDATE, or DELETE.Check out this link on...

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CTE in subquery?

December 23, 2009, 10:35 am

Hi All,I'm able to run the below query:-With x as ( Select eso, iso, dt row_number() Over(Partition By ISNULL(eso, iso) Order By iso Desc) AS rn From NewOrder ) Select eso, Case When iso is NULL then...

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