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2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Check whether the Recycle Bin is open. It is open by default.
SQL > show parameter recy
NAME TYPE VALUE
Buffer_pool_recycle string
Db_recycle_cache_size big integer 0
Recyclebin string on
Create tables, insert data, and delete
SQL > create table tmp_a (a number)
Table created.
SQL > insert into tmp_a values ('1')
1 row created.
SQL > commit
Commit complete.
SQL > drop table tmp_a
Table dropped.
Query the Recycle Bin content
Select * from user_recyclebin
Select * from dba_recyclebin
Flashback the recycle bin meter
SQL > flashback table tmp_a to before drop
Flashback complete.
After another query, the table and data are still there.
SQL > select * from tmp_a
A
one
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