diff --git a/Version4/Oracle/VocabImport/concept.ctl b/Version4/Oracle/VocabImport/concept.ctl
index cb49212..d18106a 100644
--- a/Version4/Oracle/VocabImport/concept.ctl
+++ b/Version4/Oracle/VocabImport/concept.ctl
@@ -7,7 +7,7 @@ fields terminated by '\t'
 trailing nullcols
 (
   concept_id,
-  concept_name,
+  concept_name CHAR(256),
   concept_level,
   concept_class,
   vocabulary_id,
diff --git a/Version4/Oracle/VocabImport/source_to_concept_map.ctl b/Version4/Oracle/VocabImport/source_to_concept_map.ctl
index 19c099b..d9e0ef0 100644
--- a/Version4/Oracle/VocabImport/source_to_concept_map.ctl
+++ b/Version4/Oracle/VocabImport/source_to_concept_map.ctl
@@ -8,7 +8,7 @@ trailing nullcols
 (
   source_code,
   source_vocabulary_id,
-  source_code_description,
+  source_code_description CHAR(256),
   target_concept_id,
   target_vocabulary_id,
   mapping_type,
diff --git a/Version4/PostgreSQL/CDM V4 DDL.sql b/Version4/PostgreSQL/CDM V4 DDL.sql
new file mode 100644
index 0000000..8586422
--- /dev/null
+++ b/Version4/PostgreSQL/CDM V4 DDL.sql	
@@ -0,0 +1,131 @@
+
+/*********************************************************************************
+# Copyright 2015 Observational Health Data Sciences and Informatics
+#
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.4
+********************************************************************************/
+
+/************************
+
+ ####### #     # ####### ######      #####  ######  #     #              ##   ####### 
+ #     # ##   ## #     # #     #    #     # #     # ##   ##    #    #   # #   #       
+ #     # # # # # #     # #     #    #       #     # # # # #    #    #  #  #   #       
+ #     # #  #  # #     # ######     #       #     # #  #  #    #    # ####### #######  
+ #     # #     # #     # #          #       #     # #     #    #    #     #         # 
+ #     # #     # #     # #          #     # #     # #     #     #  #      #   #     # 
+ ####### #     # ####### #           #####  ######  #     #      ##       # #  #####  
+                                                                              
+
+script to create OMOP common data model, version 4.5 for PostgreSQL database
+
+last revised: 20 Mar 2015
+
+author:  Lee Evans
+
+
+*************************/
+
+CREATE TABLE concept (
+  concept_id integer NOT NULL,
+  concept_name varchar(256) NOT NULL,
+  concept_level integer NOT NULL,
+  concept_class varchar(60) NOT NULL,
+  vocabulary_id integer NOT NULL,
+  concept_code varchar(40) NOT NULL,
+  valid_start_date date NOT NULL,
+  valid_end_date date NOT NULL DEFAULT '2099-12-31'::date,
+  invalid_reason varchar(1)
+)
+;
+
+
+CREATE TABLE concept_ancestor (
+  ancestor_concept_id		INTEGER		NOT NULL,
+  descendant_concept_id		INTEGER		NOT NULL,
+  min_levels_of_separation	INTEGER		NOT NULL,
+  max_levels_of_separation	INTEGER		NOT NULL
+)
+;
+
+
+CREATE TABLE concept_relationship (
+  concept_id_1 integer NOT NULL,
+  concept_id_2 integer NOT NULL,
+  relationship_id integer NOT NULL,
+  valid_start_date date NOT NULL,
+  valid_end_date date NOT NULL DEFAULT '2099-12-31'::date,
+  invalid_reason varchar(1)
+)
+;
+
+
+CREATE TABLE concept_synonym (
+  concept_synonym_id integer NOT NULL,
+  concept_id integer NOT NULL,
+  concept_synonym_name varchar(1000) NOT NULL
+)
+;
+
+
+
+CREATE TABLE drug_strength (
+  drug_concept_id integer NOT NULL,
+  ingredient_concept_id integer NOT NULL,
+  amount_value double precision,
+  amount_unit varchar(60),
+  concentration_value double precision,
+  concentration_enum_unit character varying(60),
+  concentration_denom_unit character varying(60),
+  valid_start_date date NOT NULL,
+  valid_end_date date NOT NULL,
+  invalid_reason varchar(1)
+)
+;
+
+
+
+
+CREATE TABLE relationship (
+  relationship_id			VARCHAR(20)	NOT NULL,
+  relationship_name			VARCHAR(256)	NOT NULL,
+  is_hierarchical			integer		NOT NULL,
+  defines_ancestry			integer		DEFAULT 1,
+  reverse_relationship			integer		
+)
+;
+
+
+
+CREATE TABLE source_to_concept_map (
+  source_code				VARCHAR(40)		NOT NULL,
+  source_vocabulary_id		INTEGER		NOT NULL,
+  source_code_description	VARCHAR(256),
+  target_concept_id			INTEGER			NOT NULL,
+  target_vocabulary_id		INTEGER		NOT NULL,
+  mapping_type			VARCHAR(256),
+  primary_map			VARCHAR(1),
+  valid_start_date			DATE			NOT NULL,
+  valid_end_date			DATE			NOT NULL,
+  invalid_reason			VARCHAR(1)		NULL
+)
+;
+
+
+
+
+CREATE TABLE vocabulary (
+  vocabulary_id			integer		NOT NULL,
+  vocabulary_name		VARCHAR(256)	NOT NULL
+)
+;
diff --git a/Version4/PostgreSQL/VocabImport/OMOP CDM vocabulary load - PostgreSQL.sql b/Version4/PostgreSQL/VocabImport/OMOP CDM vocabulary load - PostgreSQL.sql
new file mode 100644
index 0000000..238b003
--- /dev/null
+++ b/Version4/PostgreSQL/VocabImport/OMOP CDM vocabulary load - PostgreSQL.sql	
@@ -0,0 +1,54 @@
+/*********************************************************************************
+# Copyright 2015 Observational Health Data Sciences and Informatics
+#
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+********************************************************************************/
+
+/************************
+
+ ####### #     # ####### ######      #####  ######  #     #           ####### 
+ #     # ##   ## #     # #     #    #     # #     # ##   ##    #    # #       
+ #     # # # # # #     # #     #    #       #     # # # # #    #    # #       
+ #     # #  #  # #     # ######     #       #     # #  #  #    #    # ######  
+ #     # #     # #     # #          #       #     # #     #    #    #       # 
+ #     # #     # #     # #          #     # #     # #     #     #  #  #     # 
+ ####### #     # ####### #           #####  ######  #     #      ##    #####  
+                                                                              
+
+Script to load the common data model, version 4.5 vocabulary tables for PostgreSQL database
+
+Notes
+
+1) This script assumes the CDM version 4.5 vocabulary zip file has been unzipped into the "C:\CDM" directory. 
+2) If you unzipped your CDM version 4.5 vocabulary files into a different directory then replace all file paths below, with your directory path.
+3) Run this SQL query script in the database where you created your CDM Version 4.5 tables
+
+last revised: 20th March 2015
+
+author:  Lee Evans
+
+
+*************************/
+
+COPY CONCEPT FROM 'C:\CDM\CONCEPT.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY CONCEPT_ANCESTOR FROM 'C:\CDM\CONCEPT_ANCESTOR.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY CONCEPT_RELATIONSHIP FROM 'C:\CDM\CONCEPT_RELATIONSHIP.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY CONCEPT_SYNONYM FROM 'C:\CDM\CONCEPT_SYNONYM.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY DRUG_STRENGTH FROM 'C:\CDM\DRUG_STRENGTH.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY RELATIONSHIP FROM 'C:\CDM\RELATIONSHIP.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY SOURCE_TO_CONCEPT_MAP FROM 'C:\CDM\SOURCE_TO_CONCEPT_MAP.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+COPY VOCABULARY FROM 'C:\CDM\VOCABULARY.csv' WITH DELIMITER E'\t' CSV HEADER QUOTE E'\b' ;
+
+
+
diff --git a/Version4/SQL Server/CDM V4 DDL.sql b/Version4/SQL Server/CDM V4 DDL.sql
new file mode 100644
index 0000000..981cec8
--- /dev/null
+++ b/Version4/SQL Server/CDM V4 DDL.sql	
@@ -0,0 +1,117 @@
+/*********************************************************************************
+# Copyright 2015 Observational Health Data Sciences and Informatics
+#
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.4
+********************************************************************************/
+
+/************************
+
+ ####### #     # ####### ######      #####  ######  #     #              ##   ####### 
+ #     # ##   ## #     # #     #    #     # #     # ##   ##    #    #   # #   #       
+ #     # # # # # #     # #     #    #       #     # # # # #    #    #  #  #   #       
+ #     # #  #  # #     # ######     #       #     # #  #  #    #    # ####### #######  
+ #     # #     # #     # #          #       #     # #     #    #    #     #         # 
+ #     # #     # #     # #          #     # #     # #     #     #  #      #   #     # 
+ ####### #     # ####### #           #####  ######  #     #      ##       # #  #####  
+                                                                              
+
+script to create OMOP common data model, version 4.5 for Sql Server database
+
+last revised: 20 Mar 2015
+
+author:  Lee Evans
+
+
+*************************/
+
+
+CREATE TABLE CONCEPT(
+	CONCEPT_ID int NOT NULL,
+	CONCEPT_NAME varchar(256) NOT NULL,
+	CONCEPT_LEVEL int NOT NULL,
+	CONCEPT_CLASS varchar(60) NOT NULL,
+	VOCABULARY_ID int NOT NULL,
+	CONCEPT_CODE varchar(40) NOT NULL,
+	VALID_START_DATE date NOT NULL,
+	VALID_END_DATE date NOT NULL DEFAULT ('31-Dec-2099'),
+	INVALID_REASON char(1) NULL
+);
+
+
+CREATE TABLE CONCEPT_ANCESTOR(
+	ANCESTOR_CONCEPT_ID int NOT NULL,
+	DESCENDANT_CONCEPT_ID int NOT NULL,
+	MAX_LEVELS_OF_SEPARATION int NULL,
+	MIN_LEVELS_OF_SEPARATION int NULL
+);
+
+
+CREATE TABLE CONCEPT_RELATIONSHIP(
+	CONCEPT_ID_1 int NOT NULL,
+	CONCEPT_ID_2 int NOT NULL,
+	RELATIONSHIP_ID int NOT NULL,
+	VALID_START_DATE date NOT NULL,
+	VALID_END_DATE date NOT NULL DEFAULT ('31-Dec-2099'),
+	INVALID_REASON char(1) NULL
+);
+
+
+CREATE TABLE CONCEPT_SYNONYM(
+	CONCEPT_SYNONYM_ID int NOT NULL,
+	CONCEPT_ID int NOT NULL,
+	CONCEPT_SYNONYM_NAME varchar(1000) NOT NULL
+);
+
+
+CREATE TABLE DRUG_STRENGTH(
+	DRUG_CONCEPT_ID int NOT NULL,
+	INGREDIENT_CONCEPT_ID int NOT NULL,
+	AMOUNT_VALUE float NULL,
+	AMOUNT_UNIT varchar(60) NULL,
+	CONCENTRATION_VALUE float NULL,
+	CONCENTRATION_ENUM_UNIT varchar(60) NULL,
+	CONCENTRATION_DENOM_UNIT varchar(60) NULL,
+	VALID_START_DATE date NOT NULL,
+	VALID_END_DATE date NOT NULL,
+	INVALID_REASON varchar(1) NULL
+);
+
+
+CREATE TABLE RELATIONSHIP(
+	RELATIONSHIP_ID int NOT NULL,
+	RELATIONSHIP_NAME varchar(256) NOT NULL,
+	IS_HIERARCHICAL int NOT NULL,
+	DEFINES_ANCESTRY int NOT NULL DEFAULT ((1)),
+	REVERSE_RELATIONSHIP int NULL
+);
+
+
+CREATE TABLE SOURCE_TO_CONCEPT_MAP(
+	SOURCE_CODE varchar(40) NOT NULL,
+	SOURCE_VOCABULARY_ID int NOT NULL,
+	SOURCE_CODE_DESCRIPTION varchar(256) NULL,
+	TARGET_CONCEPT_ID int NOT NULL,
+	TARGET_VOCABULARY_ID int NOT NULL,
+	MAPPING_TYPE varchar(256) NULL,
+	PRIMARY_MAP char(1) NULL,
+	VALID_START_DATE date NOT NULL,
+	VALID_END_DATE date NOT NULL DEFAULT ('31-Dec-2099'),
+	INVALID_REASON char(1) NULL
+);
+
+
+CREATE TABLE VOCABULARY(
+	VOCABULARY_ID int NOT NULL,
+	VOCABULARY_NAME varchar(256) NOT NULL
+);
diff --git a/Version4/SQL Server/README.md b/Version4/SQL Server/README.md
index 4b362b0..27af881 100644
--- a/Version4/SQL Server/README.md	
+++ b/Version4/SQL Server/README.md	
@@ -1,7 +1,7 @@
-Common-Data-Model / Oracle
+Common-Data-Model / SQL Server
 =================
 
-This folder contains the SQL scripts for Oracle. 
+This folder contains the SQL scripts for SQL Server. 
 
 In order to create your instantiation of the Common Data Model, we recommend following these steps:
 
diff --git a/Version4/SQL Server/VocabImport/OMOP CDM vocabulary load - SQL Server.sql b/Version4/SQL Server/VocabImport/OMOP CDM vocabulary load - SQL Server.sql
new file mode 100644
index 0000000..bc2218e
--- /dev/null
+++ b/Version4/SQL Server/VocabImport/OMOP CDM vocabulary load - SQL Server.sql	
@@ -0,0 +1,130 @@
+/*********************************************************************************
+# Copyright 2015 Observational Health Data Sciences and Informatics
+#
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+********************************************************************************/
+
+/************************
+
+ ####### #     # ####### ######      #####  ######  #     #           ####### 
+ #     # ##   ## #     # #     #    #     # #     # ##   ##    #    # #       
+ #     # # # # # #     # #     #    #       #     # # # # #    #    # #       
+ #     # #  #  # #     # ######     #       #     # #  #  #    #    # ######  
+ #     # #     # #     # #          #       #     # #     #    #    #       # 
+ #     # #     # #     # #          #     # #     # #     #     #  #  #     # 
+ ####### #     # ####### #           #####  ######  #     #      ##    #####  
+                                                                              
+
+Script to load the common data model, version 4.5 vocabulary tables for SQL Server database
+
+Notes
+
+1) This script assumes the CDM version 4.5 vocabulary zip file has been unzipped into the "C:\CDM" directory. 
+2) If you unzipped your CDM version 4.5 vocabulary files into a different directory then replace all file paths below, with your directory path.
+3) Run this SQL query script in the database where you created your CDM Version 4.5 tables
+
+last revised: 20th March 2015
+
+author:  Lee Evans
+
+
+*************************/
+
+TRUNCATE TABLE CONCEPT;
+BULK INSERT CONCEPT 
+FROM 'C:\CDM\CONCEPT.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\CONCEPT.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE CONCEPT_ANCESTOR;
+BULK INSERT CONCEPT_ANCESTOR 
+FROM 'C:\CDM\CONCEPT_ANCESTOR.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\CONCEPT_ANCESTOR.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE CONCEPT_RELATIONSHIP;
+BULK INSERT CONCEPT_RELATIONSHIP 
+FROM 'C:\CDM\CONCEPT_RELATIONSHIP.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\CONCEPT_RELATIONSHIP.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE CONCEPT_SYNONYM;
+BULK INSERT CONCEPT_SYNONYM 
+FROM 'C:\CDM\CONCEPT_SYNONYM.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\CONCEPT_SYNONYM.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE DRUG_STRENGTH;
+BULK INSERT DRUG_STRENGTH 
+FROM 'C:\CDM\DRUG_STRENGTH.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\DRUG_STRENGTH.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE RELATIONSHIP;
+BULK INSERT RELATIONSHIP 
+FROM 'C:\CDM\RELATIONSHIP.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\RELATIONSHIP.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE SOURCE_TO_CONCEPT_MAP;
+BULK INSERT SOURCE_TO_CONCEPT_MAP 
+FROM 'C:\CDM\SOURCE_TO_CONCEPT_MAP.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\SOURCE_TO_CONCEPT_MAP.bad',
+TABLOCK
+);
+
+TRUNCATE TABLE VOCABULARY;
+BULK INSERT VOCABULARY 
+FROM 'C:\CDM\VOCABULARY.csv' 
+WITH (
+FIRSTROW = 2,
+FIELDTERMINATOR = '\t',
+ROWTERMINATOR = '0x0a',
+ERRORFILE = 'C:\CDM\VOCABULARY.bad',
+TABLOCK
+);