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 ...

shift_start_time = MAKETIME(8 + MOD(emp_id, 6), 0, 0), shift_end_time = MAKETIME(16 + MOD(emp_id, 6), 0, 0); -- 3) Targeted overrides to GUARANTEE tricky cases (month ...