Simple data recovery Oracle database

1, data before a point in time query
the SELECT * thr_byjsq the AS. OF TIMESTAMP TO_TIMESTAMP the FROM ( '20.19083 million 15:30:00', 'YYYYMMDD HH24: MI: the SS');

2, allows to modify oracle rowid assigned to the row of flash back to the table will be deleted before, and then further inserted into the data table, and re-insert rows ROWID reallocation (step which must be performed)
ALTER table thr_byjsq enable row Movement

 

3, the recovery (flashback) data before a point in time
flashback table thr_byjsq to timestamp TO_TIMESTAMP ( ' 20190830 15:30:00', 'YYYYMMDD HH24: MI: SS');

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Origin www.cnblogs.com/lhy0102/p/11648012.html