diff --git a/Impala/OMOP_CDM_ddl_Impala.sql b/Impala/OMOP_CDM_ddl_Impala.sql
index ab1bdf5..c5c3779 100644
--- a/Impala/OMOP_CDM_ddl_Impala.sql
+++ b/Impala/OMOP_CDM_ddl_Impala.sql
@@ -17,16 +17,16 @@
 
 /************************
 
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- #     # ##   ## #     # #     #    #     # #     # ##   ##    #    # #
- #     # # # # # #     # #     #    #       #     # # # # #    #    # #
- #     # #  #  # #     # ######     #       #     # #  #  #    #    # ######
- #     # #     # #     # #          #       #     # #     #    #    #       #
- #     # #     # #     # #          #     # #     # #     #     #  #  #     #
- ####### #     # ####### #           #####  ######  #     #      ##    #####
+ ####### #     # ####### ######      #####  ######  #     #           #######       #         ###   
+ #     # ##   ## #     # #     #    #     # #     # ##   ##    #    # #            ##        #   #  
+ #     # # # # # #     # #     #    #       #     # # # # #    #    # #           # #       #     # 
+ #     # #  #  # #     # ######     #       #     # #  #  #    #    # ######        #       #     # 
+ #     # #     # #     # #          #       #     # #     #    #    #       # ###   #   ### #     # 
+ #     # #     # #     # #          #     # #     # #     #     #  #  #     # ###   #   ###  #   #  
+ ####### #     # ####### #           #####  ######  #     #      ##    #####  ### ##### ###   ###   
+                                                                                                    
 
-
-script to create OMOP common data model, version 5.0 for Hadoop (Hive/Impala) database
+script to create OMOP common data model, version 5.1.0 for Hadoop (Hive/Impala) database
 
 Based on the PostgreSQL version, with the following changes:
 * NULL/NOT NULL is not used.