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Re: LONG delete with LOTS of FK's

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On 2013-05-01 10:23, Shaun Thomas wrote:
On 05/01/2013 10:17 AM, Larry Rosenman wrote:

I have an app that we have a number of tables that all have FK
relationships with the account table.

OK so far.

Referenced by:
     * Redacted one-billion foreign keys

Wow. I really hope every single one of those tables has an index on
the listed column, and it's the same datatype (bigint). Otherwise,
this is going to take a long, long time.
Yes, all of them have at least one index that has account_id as the first column (we use that to
separate tenants in a multi-tenant app).

I still wonder if there is a way to see where it is :(


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Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler@xxxxxxxxxx
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893


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