From d489f002a3df808888662aacadfcbdd6c6b0ad87 Mon Sep 17 00:00:00 2001
From: Rae Woong Park <rwpark99@gmail.com>
Date: Sun, 6 Nov 2016 23:18:54 +0900
Subject: [PATCH] Update OMOP CDM indexes required - SQL Server.sql

We added some more required indexes, which were identified by running the 'Estimated Execution Plan' in the  Microsoft SQL Management Studio.

Some related discussions are here: http://forums.ohdsi.org/t/incremental-achilles/1847
---
 ...OMOP CDM indexes required - SQL Server.sql | 175 ++++++++++++++++++
 1 file changed, 175 insertions(+)

diff --git a/Sql Server/OMOP CDM indexes required - SQL Server.sql b/Sql Server/OMOP CDM indexes required - SQL Server.sql
index f701dba..74efad2 100644
--- a/Sql Server/OMOP CDM indexes required - SQL Server.sql	
+++ b/Sql Server/OMOP CDM indexes required - SQL Server.sql	
@@ -185,3 +185,178 @@ CREATE INDEX idx_dose_era_concept_id ON dose_era (drug_concept_id ASC);
 CREATE CLUSTERED INDEX idx_condition_era_person_id ON condition_era (person_id ASC);
 CREATE INDEX idx_condition_era_concept_id ON condition_era (condition_concept_id ASC);
 
+/****************************************************************************************************************************************
+*****************************************************	Non Cluster Index  **************************************************************
+ ****************************************************************************************************************************************
+ **********************************/
+
+ /* PERSON */
+
+USE [Camel_DB]
+GO
+	CREATE NONCLUSTERED INDEX [<PERSON_1, sysname,>]
+		ON [dbo].[PERSON] ([person_id])
+			INCLUDE ([year_of_birth],[gender_concept_id] );
+				GO; 			
+
+	CREATE NONCLUSTERED INDEX [<PERSON_2, sysname,>]
+		ON [dbo].[PERSON] ([location_id])
+			INCLUDE ([person_id]);
+				GO; 
+
+	CREATE NONCLUSTERED INDEX [<PERSON_3, sysname,>]
+		ON [dbo].[PERSON] ([provider_id]);
+				GO;
+
+	CREATE NONCLUSTERED INDEX [<PERSON_4, sysname,>]
+		ON [dbo].[PERSON] ([care_site_id]);
+			GO;
+
+/* OBSERVATION */ 
+
+USE [Camel_DB];
+GO;
+
+	CREATE NONCLUSTERED INDEX [<OBSERVATION_1, sysname,>]
+		ON [dbo].[OBSERVATION] ([provider_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<OBSERVATION_2, sysname,>]
+		ON [dbo].[OBSERVATION] ([visit_occurrence_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<OBSERVATION_3, sysname,>]
+		ON [dbo].[OBSERVATION] ([value_as_number],[unit_concept_id])
+			INCLUDE ([observation_concept_id]);
+			GO; 
+
+/* OBSERVATION_PERIOD */
+
+	CREATE NONCLUSTERED INDEX [<OBSERVATION_PERIOD_4, sysname,>]
+		ON [dbo].[OBSERVATION_PERIOD] ([PERSON_ID])
+			INCLUDE ([OBSERVATION_PERIOD_START_DATE]);
+			GO; 
+
+	CREATE NONCLUSTERED INDEX [<OBSERVATION_PERIOD_5, sysname,>]
+		ON [dbo].[OBSERVATION_PERIOD] ([OBSERVATION_PERIOD_START_DATE],[OBSERVATION_PERIOD_END_DATE])
+			INCLUDE ([PERSON_ID]);
+			GO; 
+
+/* VISIT */
+
+	CREATE NONCLUSTERED INDEX [<VISIT_1, sysname,>]
+		ON [dbo].[VISIT_OCCURRENCE] ([care_site_id]);
+		GO; 
+
+/* CONDITION */
+
+	CREATE NONCLUSTERED INDEX [<CONDITION_1, sysname,>]
+		ON [dbo].[CONDITION_OCCURRENCE] ([provider_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<CONDITION_2, sysname,>]
+		ON [dbo].[CONDITION_OCCURRENCE] ([visit_occurrence_id]);
+		GO;
+
+/* CONDITION_ERA */
+
+	CREATE NONCLUSTERED INDEX [<CONDITION_ERA_1, sysname,>]
+		ON [dbo].[CONDITION_ERA] ([person_id])
+			INCLUDE ([condition_concept_id],[condition_era_start_date]);
+			GO;
+
+/* PROCEDURE */
+
+	CREATE NONCLUSTERED INDEX [<PROCEDURE_1, sysname,>]
+		ON [dbo].[PROCEDURE_OCCURRENCE] ([provider_id], [visit_occurrence_id]);
+		GO;
+		
+
+/* DRUG */
+
+	CREATE NONCLUSTERED INDEX [<DRUG_1, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([provider_id]);
+		GO;
+ 
+	CREATE NONCLUSTERED INDEX [<DRUG_2, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([visit_occurrence_id])
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<DRUG_3, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([days_supply])
+			INCLUDE ([drug_concept_id])
+			GO;
+
+	CREATE NONCLUSTERED INDEX [<DRUG_4, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([refills])
+			INCLUDE ([drug_concept_id])
+			GO;
+
+	CREATE NONCLUSTERED INDEX [<DRUG_5, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([quantity])
+			INCLUDE ([drug_concept_id])
+			GO;
+
+	CREATE NONCLUSTERED INDEX [<DRUG_6, sysname,>]
+		ON [dbo].[DRUG_EXPOSURE] ([drug_concept_id])
+			INCLUDE ([drug_source_value])
+			GO;
+
+/* DRUG_ERA */
+
+	CREATE NONCLUSTERED INDEX [<DRUG_ERA_1, sysname,>]
+		ON [dbo].[DRUG_ERA] ([person_id])
+			INCLUDE ([drug_concept_id],[drug_era_start_date])
+		GO;
+
+/* MEASUREMENT */
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_1, sysname,>]
+		ON [dbo].[MEASUREMENT] ([person_id])
+			INCLUDE ([measurement_concept_id],[measurement_date]);
+			GO;
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_2, sysname,>]
+		ON [dbo].[MEASUREMENT] ([provider_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_3, sysname,>]
+		ON [dbo].[MEASUREMENT] ([visit_occurrence_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_4, sysname,>]
+		ON [dbo].[MEASUREMENT] ([value_as_number],[value_as_concept_id]);
+		GO;
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_5, sysname,>]
+		ON [dbo].[MEASUREMENT] ([value_as_number],[unit_concept_id])
+			INCLUDE ([measurement_concept_id]);
+			GO;
+
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_6, sysname,>]
+		ON [dbo].[MEASUREMENT] ([value_as_number],[unit_concept_id],[range_low],[range_high])
+			INCLUDE ([measurement_concept_id]);
+			GO;
+		
+	CREATE NONCLUSTERED INDEX [<MEASUREMENT_7, sysname,>]
+		ON [dbo].[MEASUREMENT] ([value_as_number]);
+			GO;
+
+/* PROVIDER */
+
+	CREATE NONCLUSTERED INDEX [<PROVIDER_1, sysname,>]
+		ON [dbo].[PROVIDER] ([care_site_id]);
+			GO;
+
+/* PAYER_PLAN_PERIOD */
+
+	CREATE NONCLUSTERED INDEX [<PAYER_PLAN_PERIOD_1, sysname,>]
+		ON [dbo].[PAYER_PLAN_PERIOD] ([person_id])
+			INCLUDE ([payer_plan_period_start_date],[payer_plan_period_end_date]);
+			GO;
+
+/* ACHILLES_results */
+
+	CREATE NONCLUSTERED INDEX [<ACHILLES_RESULTS, sysname,>]
+		ON [dbo].[ACHILLES_results] ([count_value]);
+		GO;