文档解释
ORA-19724: snapshot too old: snapshot time is before file string plug-in time
Cause: The snapshot SCN is before the SCN at which the referred datafile is plugged into the database.
Action: retry the query.
声明：本文来自网络，不代表【好得很程序员自学网】立场，转载请注明出处：http://haodehen.cn/did234157