理系学生日記

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問題3-4 (Query Primer)

|mysql| mysql> SELECT p.product_cd, a.cust_id, a.avail_balance -> FROM product p INNER JOIN account a -> ON p.product_cd = a.product_cd -> WHERE p.product_type_cd = 'ACCOUNT'; +------------+---------+---------------+ | product_cd | cust_id | avail_balance | +------------+---------+---------------+ | CHK | 1 | 1057.75 | | CHK | 2 | 2258.02 | | CHK | 3 | 1057.75 | | CHK | 4 | 534.12 | | CHK | 5 | 2237.97 | | CHK | 6 | 122.37 | | CHK | 8 | 3487.19 | | CHK | 9 | 125.67 | | CHK | 10 | 23575.12 | | CHK | 12 | 38552.05 | | SAV | 1 | 500.00 | | SAV | 2 | 200.00 | | SAV | 4 | 767.77 | | SAV | 8 | 387.99 | | MM | 3 | 2212.50 | | MM | 4 | 5487.09 | | MM | 9 | 9345.55 | | CD | 1 | 3000.00 | | CD | 6 | 10000.00 | | CD | 7 | 5000.00 | | CD | 9 | 1500.00 | +------------+---------+---------------+ 21 rows in set (0.00 sec) ||<