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Was ist SQL? > SQL-Beispiele

SQL-Beispiele

Weiter oben in diesem Kapitel hatte ich Ihnen versprochen, eine SQL-Anweisung zu zeigen, die alle Bewegungen auf George Blakes Girokonto zurückliefert. Hier ist sie:

SELECT t.txn_id, t.txn_type_cd, t.txn_date, t.amount
FROM individual i
  INNER JOIN account a ON i.cust_id = a.cust_id
  INNER JOIN product p ON p.product_cd = a.product_cd
  INNER JOIN transaction t ON t.account_id = a.account_id
WHERE i.fname = 'George' AND i.lname = 'Blake'
  AND p.name = 'checking account';
+--------+-------------+---------------------+--------+
| txn_id | txn_type_cd | txn_date            | amount |
+--------+-------------+---------------------+--------+
|     11 | DBT         | 2008-01-05 00:00:00 | 100.00 |
+--------+-------------+---------------------+--------+
1 row in set (0.00 sec)

  

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