These days, a novice can be hit by me, but fortunately I solved them. 1. The Chinese garbled after IMP, the specific details are not well understood, only know the problem of character set, guarantee the character set of the target database and the character set of the source database; 2. Application connection database problem, error: Ava.sql.sqlexception: ORA-00600: Internal Error Code, Arguments: [TTCGCSHND-1], [0], [], [], [], [], [], [], mainly JDBC version issues, Down is one of the latest. . . . Overall, because Oracle is a recognized security, stable, powerful database, N multi-person is used, all kinds of problems have encountered, so google, basically find the cause of the problem. The solution. . Then, it is to do it yourself! ---------------------- Work like a cow: Be happy to try