Hands-on SQL practice covering fundamentals to advanced concepts, with well-organized queries and real-world examples. - kornel0408/SQL_Practice_Journey ...
1. * count(DISTINCT t1.IdCliente) / (select count(*) FROM tb_clientes_d1) AS PctRetencao, 1 - 1. * count(DISTINCT t1.IdCliente) / (select count(*) FROM tb_clientes_d1 ...
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