สำหรับผู้ป่วยที่รับประทานยากันชัก-ยากล่อมประสาทในปีนี้ มี 5 ขั้นตอนที่พบบ่อยที่สุดที่ปฏิบัติตามภายใน 2 เดือนหรือไม่ ไม่จำเป็นต้องใช้ตารางทั้งหมด
for patients who took anticonvulsant - diazepam this year, what are the five most frequent procedures that were followed within 2 months?It is not neccessary to use all the tables.
 lab:  labid [ number]  patientunitstayid [ number]  labname [ text]  labresult [ number]  labresulttime [ time] 
SELECT t3.treatmentname FROM (SELECT t2.treatmentname, DENSE_RANK() OVER (ORDER BY COUNT(*) DESC) AS c1 FROM (SELECT patient.uniquepid, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE treatment.treatmentname = 'anticonvulsant - diazepam' AND DATETIME(treatment.treatmenttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year')) AS t1 JOIN (SELECT patient.uniquepid, treatment.treatmentname, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE DATETIME(treatment.treatmenttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year')) AS t2 ON t1.uniquepid = t2.uniquepid WHERE t1.treatmenttime < t2.treatmenttime AND DATETIME(t2.treatmenttime) BETWEEN DATETIME(t1.treatmenttime) AND DATETIME(t1.treatmenttime, '+2 month') GROUP BY t2.treatmentname) AS t3 WHERE t3.c1 <= 5