[R] subqueries in sqlQuery function (package RODBC)

[Prof Brian Ripley]

In what sense is this a 'subquery'?  It is just an SQL command (write 
it on one line, no terminating ;, which is not part of the query).

On Wed, 10 Aug 2011, andrija djurovic wrote:

> Hi R users.
>
> sorry for missing example and if question is to general but I am wondering
> if it is possible to execute subqueries in function sqlQuery (package RODBC)
> with opened connection with Excel or SQL server 2000. I couldn't find any
> example of this.
>
> And if it is possible what should be a correct syntax for this query:
>
> SELECT ct,COUNT(*) as n
> FROM (SELECT COUNT(*) AS ct FROM children
> GROUP BY family_id) AS x
> GROUP BY ct;
>
> sqlQuery(connecton, "     CORRECT SYNTAX     ")
>
> (This query is an example from book Data Manipulation with R, Phil Spector,
> page 47)
>
> Thanks for any help
>
> Andrija
>
> 	[[alternative HTML version deleted]]
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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