Package for gbase 8s

        Package By 8s Related processes of 、 function 、 Variable 、 Constant 、 Types, cursors, etc SPL Database object of element combination .

         It's right SPL Encapsulation of elements , Provide services for other objects in the database .

        Package It consists of two parts: the header and the body ：

                 Baotou part is package The external interface of , It can be accessed outside the package ;

                 The envelope is package The implementation of the internal package , Out of package access is not allowed .