As .net developer sometimes we need to work on heterogenous databases. like Oracle, MS Sql 2005/2008, posgresql, mysql etc. This document is only about Migration from Oracle to Sql server and vice-versa. Both databases come with features those are vendor specific .
Oracle’s stored procedure language, PL/SQL, has many features not supported in Transact-SQL (T-SQL), the stored procedure language of SQL Server, and even where similar features exist, the languages contain many syntactic and semantic differences. To migrate a PL/SQL object that uses a feature that has no T-SQL counterpart requires that that capability be emulated in T-SQL using the available features.
all have diffrent syntax in both databases.rather than copying i am providing some good links for migration.
if still any doubt or problem just comment and tell me, i will try to resolve that.