更新 createdb.sql

d8016400 · 王晓庆 · 022171b5 · d8016400
--- a/createdb.sql
+++ b/createdb.sql
@@ -3,5 +3,7 @@
 --   USE master;
 --   ALTER DATABASE TPCH SET SINGLE_USER WITH ROLLBACK IMMEDIATE
 --   DROP DATABASE TPCH
-DROP DATABASE IF EXISTS TPCH  
+IF EXISTS ( SELECT [name] FROM sys.databases WHERE [name] = 'TPCH' )
+    DROP DATABASE TPCH
+-- DROP DATABASE IF EXISTS TPCH    
 CREATE DATABASE TPCH