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How to generate the same sequence of random numbers in MySQL?

王林
王林forward
2023-09-09 09:17:07465browse

如何在 MySQL 中生成相同的随机数序列?

When called with an integer argument, RAND( ) uses that value as the seed for the random number generator. RAND( ) generates the same sequence of random numbers each time the generator is seeded with a given value. The following example will demonstrate it -

Example

mysql> Select RAND(1), RAND(1), Rand(1);
+---------------------+---------------------+---------------------+
| RAND(1)             | RAND(1)             | Rand(1)             |
+---------------------+---------------------+---------------------+
| 0.40540353712197724 | 0.40540353712197724 | 0.40540353712197724 |
+---------------------+---------------------+---------------------+
1 row in set (0.00 sec)

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