diff --git a/lib/active_record/connection_adapters/oracle_enhanced_jdbc_connection.rb b/lib/active_record/connection_adapters/oracle_enhanced_jdbc_connection.rb
index 7eba1db4a..7b46307bc 100644
--- a/lib/active_record/connection_adapters/oracle_enhanced_jdbc_connection.rb
+++ b/lib/active_record/connection_adapters/oracle_enhanced_jdbc_connection.rb
@@ -82,9 +82,12 @@ def new_connection(config)
           config[:driver] ||= @raw_connection.meta_data.connection.java_class.name
           username = @raw_connection.meta_data.user_name
         else
-          username, password, database = config[:username], config[:password], config[:database]
-          privilege = config[:privilege] && config[:privilege].to_s
+          # to_s needed if username, password or database is specified as number in database.yml file
+          username = config[:username] && config[:username].to_s
+          password = config[:password] && config[:password].to_s
+          database = config[:database] && config[:database].to_s
           host, port = config[:host], config[:port]
+          privilege = config[:privilege] && config[:privilege].to_s
 
           # connection using TNS alias
           if database && !host && !config[:url] && ENV['TNS_ADMIN']
diff --git a/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb b/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb
index a389c5bb3..ffe710060 100644
--- a/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb
+++ b/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb
@@ -251,7 +251,10 @@ def create_time_with_default_timezone(value)
     # configure an Oracle/OCI connection.
     class OracleEnhancedOCIFactory #:nodoc:
       def self.new_connection(config)
-        username, password, database = config[:username], config[:password], config[:database]
+        # to_s needed if username, password or database is specified as number in database.yml file
+        username = config[:username] && config[:username].to_s
+        password = config[:password] && config[:password].to_s
+        database = config[:database] && config[:database].to_s
         host, port = config[:host], config[:port]
         privilege = config[:privilege] && config[:privilege].to_sym
         async = config[:allow_concurrency]
@@ -260,7 +263,6 @@ def self.new_connection(config)
         # get session time_zone from configuration or from TZ environment variable
         time_zone = config[:time_zone] || ENV['TZ']
 
-
         # connection using TNS alias
         # if TNS_ADMIN is not specified then $ORACLE_HOME/network/admin/ is used as default by Oracle client
         connection_string = if database && !host && (ENV['TNS_ADMIN'] || ENV['ORACLE_HOME'])
diff --git a/spec/active_record/connection_adapters/oracle_enhanced_connection_spec.rb b/spec/active_record/connection_adapters/oracle_enhanced_connection_spec.rb
index a40be6f7c..6bcb829e3 100644
--- a/spec/active_record/connection_adapters/oracle_enhanced_connection_spec.rb
+++ b/spec/active_record/connection_adapters/oracle_enhanced_connection_spec.rb
@@ -60,9 +60,23 @@
     end
   end
 
+  describe "with non-string parameters" do
+    before(:all) do
+      params = CONNECTION_PARAMS.dup
+      params[:username] = params[:username].to_sym
+      params[:password] = params[:password].to_sym
+      params[:database] = params[:database].to_sym
+      @conn = ActiveRecord::ConnectionAdapters::OracleEnhancedConnection.create(params)
+    end
+
+    it "should create new connection" do
+      @conn.should be_active
+    end
+  end
+
   if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby'
 
-    describe "OracleEnhancedConnection create JDBC connection" do
+    describe "create JDBC connection" do
 
       it "should create new connection using :url" do
         params = CONNECTION_PARAMS.dup