How to write a .Net application that works with both SqlServer and Oracle (now that System.Data.OracleClient is deprecated)

Question

see also System.Data.OracleClient namespace discontinued?

(Firstly don’t panic yet, System.Data.OracleClient is not being removed by Microsoft yet, however it is not

Answer 1

The customer should install odp.net and the Oracle client on there machines. You should not deploy it. Your application will find the needed Oracle dll's in the GAC.