hat
Oracle Database: Entwodiksyon nan SQL fòmasyon ede ou ekri subqueries, konbine demann miltip nan yon sijè rechèch sèl lè l sèvi avèk operatè SET ak rapò done angaje lè l sèvi avèk fonksyon gwoup. Aprann sa a ak plis nan egzèsis men-sou.
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Oracle Database: Introduction to SQL training helps you write subqueries, combine multiple queries into a single query using SET operators and report aggregated data using group functions. Learn this and more through hands-on exercises.