บอกผลรวมของข้อมูลผู้ป่วย 032-21820 ในวันก่อน ไม่จำเป็นต้องใช้ตารางทั้งหมด
tell me the sum of patient 032-21820's input during the previous day.It is not neccessary to use all the tables.
 lab:  labid [ number]  patientunitstayid [ number]  labname [ text]  labresult [ number]  labresulttime [ time] 
SELECT SUM(intakeoutput.cellvaluenumeric) FROM intakeoutput WHERE intakeoutput.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '032-21820')) AND intakeoutput.cellpath LIKE '%intake%' AND DATETIME(intakeoutput.intakeoutputtime, 'start of day') = DATETIME(CURRENT_TIME(), 'start of day', '-1 day')