Hi Gonzalo

> Hi,
>     I have a doubt about DEFAULT SERIAL, somewhere in the HowTo's
> (http://www.sapdb.org/7.4/how_tos/numbergen/datentypserial_eng.htm) says
> that you dont specify a value for a serial column in an INSERT statement.
> Does it mean that you SHOULD NOT specify a value, or does it only mean that
> if you want, you may not specify a value?

It reads:

 In the case of an INSERT statement, do not specify a value for the
 column that has the attribute DEFAULT SERIAL. Here, the next value
 generated by the implicitly generated number generator is entered as
 the system default value. 

"Do not" is stronger than "don't"
- actually very close to "you must not".

/gustav

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