Database Administration (MOSC)

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About managing old data

edited Jul 25, 2019 5:02AM in Database Administration (MOSC) 6 commentsAnswered

Hi,

Suppose that I have a very very big database and now I'm facing to a problem that I have to optimize the old data (created 5 years ago).

My idea like:

     For 2 years period of time, all data will be stored in a tablespace.

     For example: data of 2010 and 2011 is stored in tbls1011 -> when it becomes cold data -> offline tbls1011 -> saving time when backing up and just make it online when needed.

But I have some questions:

- Is is optimized solution? any others?

- For partitioned tables which rely on multiple tablespace, what would happen if I make some tablespaces offline then update that table (DDL)?

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