blueboy ha scritto:
Hi,
I want to create random customer ids. I have an auto incremented coulumn but
I would rather have a 6-8 digit/letter id randomly generated that can be
used as a unique identifier across 3 tables. Does anyone have a algorithm to
generate such a string and can you give
Hi Burn,
Wednesday, June 6, 2007, 3:55:21 PM, you wrote:
Here's how I do it, for 1 single table though.. you'll have to write
yourself the mod to check on more tables. If you plan to have 10
millions records make sure the maxrand is higher.
When the do loop exits you have a unique id.
Richard Davey ha scritto:
Hi Burn,
Wednesday, June 6, 2007, 3:55:21 PM, you wrote:
Here's how I do it, for 1 single table though.. you'll have to write
yourself the mod to check on more tables. If you plan to have 10
millions records make sure the maxrand is higher.
When the do loop
Hi Burn,
Wednesday, June 6, 2007, 4:39:05 PM, you wrote:
Worst thing that can happen is having mysql throw an error while trying
to insert an ID that's already present in the database. It gets more
complicated and unpredictable if the field isn't required to be unique
at database design
Richard Davey ha scritto:
Hi Burn,
Wednesday, June 6, 2007, 4:39:05 PM, you wrote:
Worst thing that can happen is having mysql throw an error while trying
to insert an ID that's already present in the database. It gets more
complicated and unpredictable if the field isn't required to be
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