tu-trinh-scale

SELECT e.Symptoms
FROM Examination e
JOIN Patient p ON e.ID = p.ID
WHERE p.Admission = '+'
  AND STRFTIME('%Y', e.`Examination Date`) BETWEEN '1995' AND '1999'
  AND e.Thrombosis = '2'
  AND e.`ANA Pattern` = 'S'
  AND e.`aCL IgM` < (SELECT AVG(`aCL IgM`) + AVG(`aCL IgM`) * 1 FROM Examination);

tu-trinh-scale

WITH threshold AS (
  SELECT AVG("aCL IgM") AS avg_igm
  FROM Examination
  WHERE "aCL IgM" IS NOT NULL
)
SELECT DISTINCT e.Symptoms
FROM Examination e
JOIN Patient p ON p.ID = e.ID
CROSS JOIN threshold t
WHERE p.Admission = '+'

tu-trinh-scale

WITH fall_semester_events AS (
    -- Identify fall semester events (Sep-Nov 2019, the only/most recent fall semester in the DB)
    SELECT event_id, event_name, event_date
    FROM Event
    WHERE strftime('%m', event_date) BETWEEN '09' AND '11'
      AND strftime('%Y', event_date) = '2019'
),

-- Part 1: Advertisement budget ratio
adv_budgets AS (

tu-trinh-scale

WITH budget_comparison AS (
    SELECT 
        e.event_name,
        b.amount as advertisement_budget
    FROM Event e
    JOIN Budget b ON e.event_id = b.link_to_event
    WHERE e.event_name IN ('Yearly Kickoff', 'October Meeting')
    AND b.category = 'Advertisement'
    AND e.event_date >= '2019-08-01' AND e.event_date <= '2019-12-31'
),

tu-trinh-scale

WITH fall_semester AS (
    -- Identify the most recent fall semester events (Yearly Kickoff and October Meeting)
    SELECT e.event_id, e.event_name, e.event_date
    FROM Event e
    WHERE e.event_name IN ('Yearly Kickoff', 'October Meeting')
    AND strftime('%Y', e.event_date) = (
        SELECT MAX(strftime('%Y', e2.event_date))
        FROM Event e2
        WHERE e2.event_name = 'October Meeting'
    )

tu-trinh-scale

WITH budget_comparison AS (
    SELECT 
        e.event_name,
        b.amount,
        CASE WHEN e.event_name = 'Yearly Kickoff' THEN b.amount END as kickoff_budget,
        CASE WHEN e.event_name = 'October Meeting' THEN b.amount END as october_budget
    FROM Event e
    JOIN Budget b ON e.event_id = b.link_to_event
    WHERE e.event_name IN ('Yearly Kickoff', 'October Meeting')
      AND b.category = 'Advertisement'

tu-trinh-scale

WITH fall_year AS (
  SELECT MAX(CAST(strftime('%Y', event_date) AS INT)) AS yr
  FROM Event
  WHERE CAST(strftime('%m', event_date) AS INT) BETWEEN 8 AND 12
),
kickoff_ad AS (
  SELECT b.amount AS kickoff_ad
  FROM Budget b
  JOIN Event e ON b.link_to_event = e.event_id
  JOIN fall_year fy

tu-trinh-scale

WITH fall_year AS (
  SELECT MAX(CAST(strftime('%Y', event_date) AS INTEGER)) AS yr
  FROM Event
  WHERE CAST(strftime('%m', event_date) AS INTEGER) BETWEEN 9 AND 12
),
ads AS (
  SELECT e.event_name, b.amount
  FROM Budget b
  JOIN Event e ON b.link_to_event = e.event_id
  JOIN fall_year fy ON CAST(strftime('%Y', e.event_date) AS INTEGER)=fy.yr

tu-trinh-scale

SELECT E.Symptoms
FROM Examination E
INNER JOIN Patient P ON E.ID = P.ID
WHERE E.Thrombosis = '2'
AND E.`ANA Pattern` = 'S'
AND strftime('%Y', E.`Examination Date`) BETWEEN '1995' AND '1999'
AND E.`aCL IgM` < (
    SELECT AVG(`aCL IgM`) + AVG(`aCL IgM`) * 1 
    FROM Examination
)

tu-trinh-scale

WITH threshold_calc AS (
    SELECT AVG("aCL IgM") + AVG("aCL IgM") * 0.2 as acl_igm_threshold
    FROM Examination 
    WHERE "aCL IgM" IS NOT NULL
),
core_patients AS (
    SELECT DISTINCT ID 
    FROM Examination
)
SELECT DISTINCT e.Symptoms