10 + 11 RH Linux The upgrade from 10 to 11 doc seems to imply that you have to change some timezone files. Can I Ignore this is If have'nt used the TIMESTAMP Datatype- And .. Why do I get ORa-00723 Initialization parameter COMPATIBLE must be explicitly set When I startup upgrade WHEN I HAVE SET COMPATIBLE ? any Ideas? -- Howard A. Latham Sent from my Nokia N97