On 8 Aug 2009, at 10:16am, Gilles Ganault wrote:

> Is it possible to have auto-incremented primary keys be a fixed size,
> eg. 0000000001, 0000000002, etc.?

Not to start from zero that way.  But you can create a record yourself  
which has a barcode of

1000000001

to force the number of digits, and from then SQLite will count up from  
that one.  (Test this first, I haven't tried exactly that.)

In fact this is almost certainly what you want anyway: real barcodes  
don't start from zero, the first few digits tend to indicate a  
category of some kind anyway.  And the last digit is usually a checksum.

Simon.
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