row.count from the result of
dbGetInfo(res).dbGetRowCount(res, ...)DBIResult .dbClearResult;
dbColumnInfo; dbFetch,
dbFetch,DBIResult-method,
fetch; dbGetRowsAffected,
dbGetRowsAffected,DBIResult-method;
dbGetStatement,
dbGetStatement,DBIResult-method;
dbHasCompleted,
dbHasCompleted,DBIResult-method