From fe2bbef219291727bd867b32ccec40651057b106 Mon Sep 17 00:00:00 2001
From: hemacrimson <hemacrimson@users.noreply.github.com>
Date: Wed, 14 Feb 2018 15:39:23 -0500
Subject: [PATCH] fix syntax errors in examples/solutions

---
 tutorials/sql-intro.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tutorials/sql-intro.md b/tutorials/sql-intro.md
index 4a930847e..ae9350471 100644
--- a/tutorials/sql-intro.md
+++ b/tutorials/sql-intro.md
@@ -341,7 +341,7 @@ It is sometimes helpful to create temporary views or tables to break a large que
 ```
 WITH patient_dates AS (
 SELECT p.subject_id, p.dob, a.hadm_id, a.admittime,
-    (cast(a.admittime as date) - cast(p.dob as date) / 365.2 ) as age
+    ( (cast(a.admittime as date) - cast(p.dob as date)) / 365.2 ) as age
 FROM patients p
 INNER JOIN admissions a
 ON p.subject_id = a.subject_id
@@ -358,7 +358,7 @@ Another method is "materialised views", which create a new table on your databas
 DROP MATERIALIZED VIEW IF EXISTS patient_dates_view;
 CREATE MATERIALIZED VIEW patient_dates_view AS
 SELECT p.subject_id, p.dob, a.hadm_id, a.admittime,
-    (cast(a.admittime as date) - cast(p.dob as date) / 365.2 ) as age
+    ( (cast(a.admittime as date) - cast(p.dob as date)) / 365.2 ) as age
 FROM patients p
 INNER JOIN admissions a
 ON p.subject_id = a.subject_id
@@ -459,7 +459,7 @@ SELECT icustay_id, max(valuenum) as HeartRate_Max
 FROM chartevents
 WHERE itemid = 211
 GROUP BY icustay_id
-HAVING max(valuenum) > 140;
+HAVING max(valuenum) <= 140;
 ```
 
 # Window functions