“Requête intérieure à requête” Réponses codées

Requête intérieure à requête

SELECT
	customer.customer_id,
	first_name,
	last_name,
	amount,
	payment_date
FROM
	customer
INNER JOIN payment 
    ON payment.customer_id = customer.customer_id
ORDER BY payment_date;
Bahasa kode:  SQL (Structured Query Language)  ( sql )

Determined Dormouse

jointure intérieure SQL

SELECT   field1, CASE field2
         WHEN condition1 THEN 'result1'
         WHEN condition2 THEN 'result2'
         ELSE 'result'
      END, field3
FROM table_name;

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