diff --git a/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox.approved.txt b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox_MsSql2012.approved.txt
similarity index 100%
rename from src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox.approved.txt
rename to src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox_MsSql2012.approved.txt
diff --git a/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox_Oracle10g.approved.txt b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox_Oracle10g.approved.txt
new file mode 100644
index 000000000..c097ff22d
--- /dev/null
+++ b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Outbox_Oracle10g.approved.txt
@@ -0,0 +1,20 @@
+
+    
+    drop table OutboxRecord cascade constraints
+    
+    drop sequence hibernate_sequence
+    
+    create table OutboxRecord (
+        Id NUMBER(20,0) not null,
+       MessageId VARCHAR2(255) not null unique,
+       Dispatched NUMBER(1,0) not null,
+       DispatchedAt TIMESTAMP(7),
+       TransportOperations CLOB,
+       primary key (Id)
+    )
+    
+    create index OutboxRecord_Dispatched_Idx on OutboxRecord (Dispatched)
+    
+    create index OutboxRecord_DispatchedAt_Idx on OutboxRecord (DispatchedAt)
+    
+    create sequence hibernate_sequence
\ No newline at end of file
diff --git a/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions.approved.txt b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_MsSql2012.approved.txt
similarity index 60%
rename from src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions.approved.txt
rename to src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_MsSql2012.approved.txt
index b938298f7..8ed2a1dd2 100644
--- a/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions.approved.txt
+++ b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_MsSql2012.approved.txt
@@ -1,13 +1,13 @@
-
+
     
     if exists (select * from dbo.sysobjects where id = object_id(N'Subscription') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table Subscription
     
     create table Subscription (
-        SubscriberEndpoint VARCHAR(450) not null,
-       MessageType VARCHAR(450) not null,
-       LogicalEndpoint VARCHAR(450) null,
-       Version VARCHAR(450) null,
-       TypeName VARCHAR(450) null,
+        SubscriberEndpoint NVARCHAR(450) not null,
+       MessageType NVARCHAR(450) not null,
+       LogicalEndpoint NVARCHAR(450) null,
+       Version NVARCHAR(450) null,
+       TypeName NVARCHAR(450) null,
        primary key (SubscriberEndpoint, MessageType)
     )
     
diff --git a/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_Oracle10g.approved.txt b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_Oracle10g.approved.txt
new file mode 100644
index 000000000..0726de5f8
--- /dev/null
+++ b/src/NServiceBus.NHibernate.Tests/ApprovalFiles/DDL.Subscriptions_Oracle10g.approved.txt
@@ -0,0 +1,14 @@
+
+    
+    drop table Subscription cascade constraints
+    
+    create table Subscription (
+        SubscriberEndpoint VARCHAR2(450) not null,
+       MessageType VARCHAR2(450) not null,
+       LogicalEndpoint VARCHAR2(450),
+       Version VARCHAR2(450),
+       TypeName VARCHAR2(450),
+       primary key (SubscriberEndpoint, MessageType)
+    )
+    
+    create index Subscription_TypeNameIdx on Subscription (TypeName)
\ No newline at end of file
diff --git a/src/NServiceBus.NHibernate.Tests/GenerateScriptsTest.cs b/src/NServiceBus.NHibernate.Tests/GenerateScriptsTest.cs
index 1e754fd4a..43ef52730 100644
--- a/src/NServiceBus.NHibernate.Tests/GenerateScriptsTest.cs
+++ b/src/NServiceBus.NHibernate.Tests/GenerateScriptsTest.cs
@@ -15,7 +15,7 @@ public class DDL
     {
         [Test]
         [MethodImpl(MethodImplOptions.NoInlining)]
-        public void Outbox()
+        public void Outbox_MsSql2012()
         {
             var script = ScriptGenerator<MsSql2012Dialect>.GenerateOutboxScript();
             Approver.Verify(script);
@@ -23,12 +23,28 @@ public void Outbox()
 
         [Test]
         [MethodImpl(MethodImplOptions.NoInlining)]
-        public void Subscriptions()
+        public void Outbox_Oracle10g()
+        {
+            var script = ScriptGenerator<Oracle10gDialect>.GenerateOutboxScript();
+            Approver.Verify(script);
+        }
+
+        [Test]
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        public void Subscriptions_MsSql2012()
         {
             var script = ScriptGenerator<MsSql2012Dialect>.GenerateSubscriptionStoreScript();
             Approver.Verify(script);
         }
 
+        [Test]
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        public void Subscriptions_Oracle10g()
+        {
+            var script = ScriptGenerator<Oracle10gDialect>.GenerateSubscriptionStoreScript();
+            Approver.Verify(script);
+        }
+
         [Test]
         [MethodImpl(MethodImplOptions.NoInlining)]
         public void Timeouts()
diff --git a/src/NServiceBus.NHibernate/Subscriptions/Config/SubscriptionMap.cs b/src/NServiceBus.NHibernate/Subscriptions/Config/SubscriptionMap.cs
index 93d287ded..78239dba0 100644
--- a/src/NServiceBus.NHibernate/Subscriptions/Config/SubscriptionMap.cs
+++ b/src/NServiceBus.NHibernate/Subscriptions/Config/SubscriptionMap.cs
@@ -12,17 +12,14 @@ public SubscriptionMap()
             Action<IColumnMapper> columnMapper = col =>
             {
                 col.Length(450);
-                col.SqlType("VARCHAR(450)");
             };
 
-
             ComposedId(x =>
-                         {
-
-                             x.Property(p => p.SubscriberEndpoint, map => map.Column(columnMapper));
-                             x.Property(p => p.MessageType, map => map.Column(columnMapper));
+            {
+                x.Property(p => p.SubscriberEndpoint, map => map.Column(columnMapper));
+                x.Property(p => p.MessageType, map => map.Column(columnMapper));
+            });
 
-                         });
             Property(p => p.LogicalEndpoint, map =>
             {
                 map.Column(columnMapper);