Posted by Krisnamourt Correia via SQLMonster.com on 05/16/05 21:35

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--Normal Query
SELECT count(*)
FROM SAM_GUIA_EVENTOS E,
SAM_GUIA G
WHERE G.PEG=736740
AND E.GUIA=G.HANDLE AND E.CLASSEGERENCIALPAGTO is NULL
option(merge join)

(1 row(s) affected)

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|--Compute Scalar(DEFINE:([Expr1002]=Convert([globalagg1004])))
|--Stream Aggregate(DEFINE:([globalagg1004]=SUM([partialagg1003])))
|--Parallelism(Gather Streams)
|--Merge Join(Inner Join, MERGE:([G].[HANDLE])=([E].[GUIA])
, RESIDUAL:([G].[HANDLE]=[E].[GUIA]))
|--Parallelism(Distribute Streams, PARTITION COLUMNS:
([G].[HANDLE]))
| |--Index Seek(OBJECT:([Saude].[dbo].[SAM_GUIA].
[AX_1603PEG] AS [G]), SEEK:([G].[PEG]=736740) ORDERED FORWARD)
|--Sort(ORDER BY:([E].[GUIA] ASC))
|--Hash Match(Aggregate, HASH:([E].[GUIA]),
RESIDUAL:([E].[GUIA]=[E].[GUIA]) DEFINE:([partialagg1003]=COUNT(*)))
|--Parallelism(Repartition Streams,
PARTITION COLUMNS:([E].[GUIA]))
|--Clustered Index Scan(OBJECT:([Saude]
..[dbo].[SAM_GUIA_EVENTOS].[PK__SAM_GUIA_EVENTOS__68736660] AS [E]), WHERE:(
[E].[CLASSEGERENCIALPAGTO]=NULL))

(10 row(s) affected)

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