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anderson marcilio

Saldo Acumulado



Alguém poderia me ajudar em uma duvida.

no Mysql como faria para ter uma terceira coluna com o saldo acumulado por linha, como no exempo abaixo:

remessa    qtd        saldo_acumulado
1        45,1    45,1
2        47,15    92,25
3        40,75    133
4        45,2    178,2
...        ...        ...


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Achei a resposta.

Se tiver a mesma duvida segue a solução para o meu problema.

SELECT t1.n_remessa,t1.qtd_remessa, SUM(T2.qtd_remessa) as Soma
FROM base1 AS t1
INNER JOIN base1 AS t2 on t1.n_remessa >= t2.n_remessa
GROUP BY  t1.n_remessa,t1.qtd_remessa
ORDER BY t1.n_remessa  ASC




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