DBMS_STATS: What removed his stats?
Hi allThis is probably a stupid question, but I've searched high and low and have not found an adequate answer to the following: when deleted stats?
I read that his stats table and index deleted whenever truncate you a table, but the (minimal) tests, I did confirm this. "Essays", I mean that I tried to truncate a table and then export and view the statistics of table via DBMS_STATS. EXPORT_TABLE_STATS (and I said 'minimum')... The table statistics seem to have been ignored next truncation.
Table / index stats deleted when you truncate / drop / delete all records from a table? Or they not removed at all?
Hello
statistics on the table are deleted when you call dbms_stats.delete_table_stats or when you drop the table. Why you would think that Oracle would secretly remove its stats table behind your back unless you ask him to? If you have read somewhere you should post a link to that statement - we cannot judge him without the context, but these days there are a lot of stupid things posted on the internet, this could be one of them.
You should trust what you see (your own tests) on what you hear, especially from unknown people on the internet.
Best regards
Nikolai
Tags: Database
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