“enq: CR – block range reuse ckpt” When Purge Recyclebin

This morning I cleaned the recycle bin with the command below. This statement tells Oracle to empty all the “trash”.

purge dba_recyclebin;

During the execution of the statement and because it has taken a long time, I’ve been monitoring it to. I have seen very many expect the type;

enq: CR – range block reuse ckpt

Before you delete or truncate a table, we need a level segment checkpoint. This is because it must maintain the consistency of the there may be in the buffer memory and what’s on the disc. Of course, do not seem to make much sense that something that is in the Recycle Bin is in memory, unless it has been recently deleted.



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