commit 1f0cfb4437ab4ebf7e4adab4f951a4bec9127299
Author: Wolfgang Ludger Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date:   Fri Aug 6 17:26:03 2021 +0200

    initial

diff --git a/firstDbSteps.r b/firstDbSteps.r
new file mode 100644
index 0000000..7ef22d5
--- /dev/null
+++ b/firstDbSteps.r
@@ -0,0 +1,7 @@
+library(DBI)
+con <- dbConnect(RPostgres::Postgres(), dbname='mainscnt', host='db.mainscnt.eu', user='wn')
+res <-dbSendQuery(con, "select * from device_t")
+devices <- dbFetch(res)
+dbClearResult(res)
+dbDisconnect(con)
+