查询删除前的数据
方法1
SELECT * FROM "TEST01" AS OF timestamp ( systimestamp - interval '30' minute );
方法2
SELECT * FROM"TEST01" AS OF timestamp SYSDATE - 30 / 1440;
1440 代表一天有1440分钟。
数据恢复
把上一步查询出来的数据重新插入到表中
INSERT INTO "TEST01"
SELECT
*
FROM
"TEST01" AS OF timestamp SYSDATE - 30 / 1440
commit;