>I've just created a Database with a few tables, all with numeric primary keys:
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>I go in , browse a table, seelct option to add a record, and leave primary key as zero.
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>I then try to add another record...it wont let me saying 'Uniqueness of index XXXXXX violated.
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>I reckon the system is trying to assign a primary key of 0, but is there a way around this ?
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The way is natural: do not leave primary key as 0. Primary key is usually auto-generated sequential number.