diff --git a/lib/sequel/adapters/informix.rb b/lib/sequel/adapters/informix.rb
index d90fcbf..f727954 100644
--- a/lib/sequel/adapters/informix.rb
+++ b/lib/sequel/adapters/informix.rb
@@ -1,12 +1,13 @@
 require 'informix'
+Sequel.require 'adapters/shared/informix'

 module Sequel
   module Informix
     class Database < Sequel::Database
+      include DatabaseMethods
+
       set_adapter_scheme :informix

-      TEMPORARY = 'TEMP '.freeze
-
       def connect(server)
         opts = server_opts(server)
         ::Informix.connect(opts[:database], opts[:user], opts[:password])
@@ -35,7 +36,7 @@ module Sequel
     end

     class Dataset < Sequel::Dataset
-      SELECT_CLAUSE_METHODS = clause_methods(:select, %w'limit distinct columns from join where having group compounds order')
+      include DatasetMethods

       def fetch_rows(sql)
         execute(sql) do |cursor|
@@ -56,22 +57,6 @@ module Sequel
         end
         self
       end
-
-      private
-
-      # Informix does not support INTERSECT or EXCEPT
-      def supports_intersect_except?
-        false
-      end
-
-      def select_clause_methods
-        SELECT_CLAUSE_METHODS
-      end
-
-      def select_limit_sql(sql)
-        sql << " SKIP #{@opts[:offset]}" if @opts[:offset]
-        sql << " FIRST #{@opts[:limit]}" if @opts[:limit]
-      end
     end
   end
 end
diff --git a/lib/sequel/adapters/jdbc.rb b/lib/sequel/adapters/jdbc.rb
index d82547c..79344a2 100644
--- a/lib/sequel/adapters/jdbc.rb
+++ b/lib/sequel/adapters/jdbc.rb
@@ -75,6 +75,11 @@ module Sequel
         Sequel.ts_require 'adapters/jdbc/as400'
         db.extend(Sequel::JDBC::AS400::DatabaseMethods)
         com.ibm.as400.access.AS400JDBCDriver
+      end,
+      :"informix-sqli"=>proc do |db|
+        Sequel.ts_require 'adapters/jdbc/informix'
+        db.extend(Sequel::JDBC::Informix::DatabaseMethods)
+        com.informix.jdbc.IfxDriver
       end
     }

diff --git a/lib/sequel/adapters/jdbc/informix.rb b/lib/sequel/adapters/jdbc/informix.rb
new file mode 100644
index 0000000..e0020ba
--- /dev/null
+++ b/lib/sequel/adapters/jdbc/informix.rb
@@ -0,0 +1,31 @@
+Sequel.require 'adapters/shared/informix'
+
+module Sequel
+  module JDBC
+    # Database and Dataset instance methods for Informix specific
+    # support via JDBC.
+    module Informix
+      # Database instance methods for Informix databases accessed via JDBC.
+      module DatabaseMethods
+        include Sequel::Informix::DatabaseMethods
+
+        # Return instance of Sequel::JDBC::MSSQL::Dataset with the given opts.
+        def dataset(opts=nil)
+          Sequel::JDBC::Informix::Dataset.new(self, opts)
+        end
+
+        private
+
+        # TODO: implement
+        def last_insert_id(conn, opts={})
+          nil
+        end
+      end
+
+      # Dataset class for MSSQL datasets accessed via JDBC.
+      class Dataset < JDBC::Dataset
+        include Sequel::Informix::DatasetMethods
+      end
+    end
+  end
+end
diff --git a/lib/sequel/adapters/shared/informix.rb b/lib/sequel/adapters/shared/informix.rb
new file mode 100644
index 0000000..04bc190
--- /dev/null
+++ b/lib/sequel/adapters/shared/informix.rb
@@ -0,0 +1,41 @@
+require 'informix'
+
+module Sequel
+  module Informix
+    module DatabaseMethods
+      TEMPORARY = 'TEMP '.freeze
+
+      # Informix uses the :informix database type
+      def database_type
+        :informix
+      end
+
+      private
+
+      # SQL fragment for showing a table is temporary
+      def temporary_table_sql
+        TEMPORARY
+      end
+    end
+
+    module DatasetMethods
+      SELECT_CLAUSE_METHODS = Dataset.clause_methods(:select, %w'limit distinct columns from join where having group compounds order')
+
+      private
+
+      # Informix does not support INTERSECT or EXCEPT
+      def supports_intersect_except?
+        false
+      end
+
+      def select_clause_methods
+        SELECT_CLAUSE_METHODS
+      end
+
+      def select_limit_sql(sql)
+        sql << " SKIP #{@opts[:offset]}" if @opts[:offset]
+        sql << " FIRST #{@opts[:limit]}" if @opts[:limit]
+      end
+    end
+  end
+end