sql server – Optimizing MySQL query with INNER JOINS, LEFT JOINS, GROUP BY and HAVING

I’m having trouble optimizing this really big query and I can’t change the table structure except creating additional indexes and small adjustments. SELECT ‘Fattura Prodotti Postali’ AS `type`, SUM(dpd.qta) AS `products_count_quantity`, COUNT(dpd.IDlavorazione_dett) AS `products_count`, dpd.IDlavorazione_dett AS `IDlavorazione_dett`, dp.prod_totali- CAST(dp.opzione1 AS UNSIGNED) AS `process_products_count`, dp.IDdistinta AS `product_code`, dp.data_distinta AS `process_date`, dp.IDesito AS `process_status_id`, dp.note AS `process_note`, … Read more

r – How to join (merge) data frames (inner, outer, left, right)

For the case of a left join with a 0..*:0..1 cardinality or a right join with a 0..1:0..* cardinality it is possible to assign in-place the unilateral columns from the joiner (the 0..1 table) directly onto the joinee (the 0..* table), and thereby avoiding the creation of an entirely new table of data. This requires … Read more

html – justify content won’t align left

/* General settings */ * { margin: 0; padding: 0; text-decoration: none; box-sizing: border-box; text-decoration: none; font-family: “Roboto”; } body { width: 100%; min-height: 100vh; background-color: rgb(243, 243, 243); font-size: 14px; } .flex-container { display: flex; /* max-width: 1200px; */ margin: auto; width: 100%; } /* Wrapper img + wrapper login */ .instagram-wrapper { align-items: … Read more