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它可以在以下查詢的幫助下創建 –

mysql> Delimiter //
mysql> CREATE PROCEDURE fact(IN x INT)
    -> BEGIN
    -> DECLARE result INT;
    -> DECLARE i INT;
    -> SET result = 1;
    -> SET i = 1;
    -> WHILE i <= x DO
    -> SET result = result * i;
    -> SET i = i + 1;
    -> END WHILE;
    -> SELECT x AS Number, result as Factorial;
    -> END//
Query OK, 0 rows affected (0.17 sec)

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現在，當通過傳遞我們想要獲取階乘作為參數的值來調用此過程時 –

mysql> Delimiter ;
mysql> CALL Fact(5);
+--------+-----------+
| Number | Factorial |
+--------+-----------+
|      5 |       120 |
+--------+-----------+
1 row in set (0.00 sec)

Query OK, 0 rows affected (0.00 sec)

mysql> CALL Fact(6);
+--------+-----------+
| Number | Factorial |
+--------+-----------+
|      6 |       720 |
+--------+-----------+
1 row in set (0.00 sec)

Query OK, 0 rows affected (0.00 sec)

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以上就是創建一個程序來找出數字的階乘？的詳細內容，更多請關注www.92cms.cn其它相關文章！