SQL is still the connective tissue of every modern data stack—from cloud warehouses to mobile apps. Recruiters know it, too: employer demand for SQL skills grew 46% year-over-year, according to labour ...
ROUND(100.0 * SUM(penta3) / NULLIF(COUNT(*), 0), 1) AS penta3_coverage_pct, ROUND(100.0 * (SUM(penta1) - SUM(penta3)) / NULLIF(SUM(penta1), 0), 1) AS penta_dropout_pct, ...
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