Pattern for connecting to different databases using JDBC

Question

I\'m writing an application which has to be configurable to connect to Oracle, SQL Server and MySQL depending on client whim.

Up till now I\'d been planning on using the

Answer 1

If you're careful (and you test), you can do this with straight JDBC and just vary the driver class and connection information. You definitely want to stay away from the JDBC-ODBC bridge as it's generally slow and unreliable. The bridge is more likely to behave differently across dbs than JDBC is.

I think the DAO path is overkill if your requirements are as simple as listed.

If you're doing a lot of inserts, you might want to investigate prepared statements and batched updates as they are far more efficient. This might end up being less portable - hard to say without testing.