Hi there,
I am trying to import the data to sql server. I want to set the "Marker ID"
and "Pheno ID" NULLABLE=FALSE, but "P value" NULLABLE=TRUE
How should I add it to the sqlsave function?

sqlSave(ch,newdata,tablename=newdata_name,
 varTypes=list("Marker ID"="int",
  "Pheno ID"="smallint",
 "P value"="float"),
  rownames = F, addPK = F)

Thanks,
Qian

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