Upgrade refers to the replacement of a product with a newer version of the same product. - replace (a software program) with a more recently released, enhanced version. - replace (a hardware device) with one that provides better performance.

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What is an advantage or disadvantage for not upgreading database server?

I have a legacy database server. The person who wrote it is long gone. There is no documentation at all just some comments in the code. Luckily, it is not that complicate but if I want to fix it ...
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Upgrading Instances with Mirroring

If you want to upgrade or install a patch on two separate instances that house both the principal and mirrored database, how can you go about that? If the database that is being mirrored needs to be ...
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How Long Would Take to Upgrade an 1T Oracle DB from 10g to 11g?

How long would take to upgrade an Oracle DB which has 1T data from 10g to 11g usually/roughly? I need to estimate the down time for it since it is a prod db. Thanks much!
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PostgreSQL: 8.3/8.4 interface chages?

I would like to upgrade a PostgreSQL 8.3 server to PostrgreSQL 8.4. There are many software components that interact with the server over the network, and I am concerned with compatibility issues. Is ...