On 28/02/16 20:50, lejeczek wrote:
fellow users, hopefully you experts too, could help...
...me to understand how, and what should be the best
practice to dump database, then drop it and merge the dumps..
What I'd like to do is something probably many have done
and I wonder how it's done best.
A box will be dumping a database (maybe? tables if it's
better) then dropping (purging the data) it and on a
different system that dump swill be inserted/aggregated
into the same database.
It reminds me a kind of incremental backup except for the
fact that source data will be dropped/purged on regular
basis, but before a drop, a dump which later will be used
to sort of reconstruct that same database.
How do you recommend to do it? I'm guessing trickiest bit
might this reconstruction part, how to merge dumps safely,
naturally while maintaining consistency & integrity?
Actual syntax, as usually any code examples are, would be
best.
many thanks.
I guess dropping a tables is not really what I should even
consider - should I just be deleting everything from tables
in order to remove data?
And if I was to use dumps of such a database (where data was
first cleansed then some data was collected) to merge data
again would it work and merge that newly collected data with
what's already in the database?
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