From fc31a9913c4701504c617029befe5527db4cdfa9 Mon Sep 17 00:00:00 2001
From: clairblacketer <clairblacketer@users.noreply.github.com>
Date: Wed, 21 Jun 2017 09:47:59 -0400
Subject: [PATCH] Remove datetime fields from OBSERVATION_PERIOD

---
 Sql Server/OMOP CDM ddl - SQL Server.sql | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Sql Server/OMOP CDM ddl - SQL Server.sql b/Sql Server/OMOP CDM ddl - SQL Server.sql
index 88eb0da..928e19e 100644
--- a/Sql Server/OMOP CDM ddl - SQL Server.sql	
+++ b/Sql Server/OMOP CDM ddl - SQL Server.sql	
@@ -254,9 +254,7 @@ CREATE TABLE observation_period
   observation_period_id				INTEGER		NOT NULL ,
   person_id							INTEGER		NOT NULL ,
   observation_period_start_date		DATE		NOT NULL ,
-  observation_period_start_datetime		DATETIME2		NOT NULL ,
   observation_period_end_date		DATE		NOT NULL ,
-  observation_period_end_datetime		DATETIME2		NOT NULL ,
   period_type_concept_id				INTEGER		NOT NULL
 )
 ;