search for: unlateral

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2006 Oct 17
2
RODBC and NULL values
...rings options, but these don't seem to have any effect. I have tried various combinations of NULL, NA and "". Forgive my awkward SQL. > channel = odbcConnect("ataxia", uid="mark") > disease = sqlQuery(channel, "select calc_survival_unilateral_support as unlateral, calc_survival_bilateral_support as bilateral, calc_survival_wheelchair as wheelchair,calc_survival_death as death, calc_follow_up as followup, has_family_history_ataxia as familial from clinical, patient where clinical.patient_fk = patient_id and excluded=0 and calc_walking_disability_valid=1&quot...