Data Warehousing

Technical Article

Frequency of each field in table

  • Script

This SP will generate the frequency of each occurrence in a field or for every field in a table. The syntax isexex sp_freqall , , , , for example:exec sp_freqall utems2000_2001, null,lastname, 100would return a table (with a field name and a count) for each field in the utems2000_2001 table, except the lastname field and […]

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2002-10-03

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Estimated Rows

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Estimated Rows

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Question of the Day

Estimated Rows

I have two calls to the GENERATE_SERIES TVF in this code:

SELECT   TOP 10 gs.value
FROM     GENERATE_SERIES(1, 10) AS gs
ORDER BY NEWID ()
OPTION (RECOMPILE);
go
DECLARE @a int = 10;
SELECT   TOP (@a) gs.value
FROM     GENERATE_SERIES(1, @a) AS gs
ORDER BY NEWID ()
OPTION (RECOMPILE);
In the actual query plans, what is the estimated number of rows for each batch?

See possible answers