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SQL selection works perfectly on tables in poor normal forms. If you have the columns you need to query pre-joined into the table you’re querying, you just skip

SQL selection works perfectly on tables in poor normal forms. If you have the columns you need to query pre-joined into the table you’re querying, you just skip the joins. Updates are what gets fun if you don’t have normal form.

bazoom42 3y ago
First normal form disallows nested tables and SQL does not support querying nested tables.