Resolution:
While it is difficult to compare database to database objectively, here are some areas that require custom-made changes:
„h Data Types
„h Date and Timestamp functions
„h Trigger statement syntax
„h Stored Procedures implementation
„h DDL statement syntax
„h Concepts of database instance
„h Physical implementation of DB objects
„h Varchar is popular in Oracle and Sybase whereas it is limited to hold free form text in DB2.
„h JDBC driver and ODBC driver
„h IBM OS is one of its kinds
„h Connectivity software is still proprietary. Installation and configuration are still OS platforms specific.