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diff --git a/odb-examples/mapping/traits-oracle.hxx b/odb-examples/mapping/traits-oracle.hxx
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+++ b/odb-examples/mapping/traits-oracle.hxx
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+// file      : mapping/traits-oracle.hxx
+// copyright : not copyrighted - public domain
+
+#ifndef TRAITS_ORACLE_HXX
+#define TRAITS_ORACLE_HXX
+
+//
+// Oracle implementation.
+//
+
+#include <cstddef> // std::size_t
+#include <cstring> // std::strncmp, std::memcpy
+#include <cassert>
+
+#include <odb/oracle/traits.hxx>
+#include <odb/oracle/details/date.hxx>
+
+#include "person.hxx" // date
+
+namespace odb
+{
+  namespace oracle
+  {
+    template <>
+    class value_traits<bool, id_string>
+    {
+    public:
+      typedef bool value_type;
+      typedef bool query_type;
+      typedef char* image_type;
+
+      static void
+      set_value (bool& v,
+                 const char* b,
+                 std::size_t n,
+                 bool is_null)
+      {
+        v = (!is_null && n == 4 && std::strncmp ("true", b, n) == 0);
+      }
+
+      static void
+      set_image (char* b,
+                 std::size_t c,
+                 std::size_t& n,
+                 bool& is_null,
+                 bool v)
+      {
+        is_null = false;
+        n = v ? 4 : 5;
+
+        assert (n <= c);
+
+        std::memcpy (b, (v ? "true" : "false"), n);
+      }
+    };
+
+    template <>
+    class value_traits<date, id_date>
+    {
+    public:
+      typedef date value_type;
+      typedef date query_type;
+      typedef char* image_type;
+
+      static void
+      set_value (date& v, const char* b, bool is_null)
+      {
+        if (!is_null)
+        {
+          short y;
+          unsigned char m, d, h, min, s;
+          details::get_date (b, y, m, d, h, min, s);
+
+          v = date (y, m, d);
+        }
+        else
+          v = date (0, 0, 0);
+      }
+
+      static void
+      set_image (char* b, bool& is_null, const date& v)
+      {
+        is_null = false;
+
+        short y (static_cast<short> (v.year ()));
+        unsigned char m (static_cast<unsigned char> (v.month ()));
+        unsigned char d (static_cast<unsigned char> (v.day ()));
+
+        details::set_date (b, y, m, d, 0, 0, 0);
+      }
+    };
+  }
+}
+
+#endif // TRAITS_ORACLE_HXX