[R] subqueries in sqlQuery function (package RODBC)
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Aug 10 10:16:18 CEST 2011
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]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
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)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
More information about the R-help
mailing list