Is it possible to have a sequence across two columns. For example table1 +---+---+ | a | b | +---+---+ | 1 | 1 | | 1 | 2 | | 1 | 3 | | 2 | 1 | | 2 | 2 | | 2 | 3 | | 3 | 1 | | 3 | 2 | | 3 | 3 | +---+---+
Would I have to create a new sequence for every unique 'a' column?
That seems pretty tedious. -Nick
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