ORA-12034: materialized view log on xx.xx younger than last refresh when a mview fast refresh after Impdp

ORA-12012: error on auto execute of job 88
ORA-12034: materialized view log on “TOPBOX”.”TOPBOX_COURSESTUDY” younger than last refresh
ORA-06512: at “SYS.DBMS_SNAPSHOT”, line 2256

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materialized view exp imp(物化视图的导出导入)

物化视图的快速刷新要求基本必须建立物化视图日志,物化视图日志的名称为MLOG$_加表名称,如果对象已经存在为在日志名称后加数字序列如mlog$_test1,下面就测试一把物化视图的导入导出