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What will MySQL return if the search string is not in the list of strings provided as a parameter in the FIELD() function?

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2023-09-10 20:29:06627browse

如果搜索字符串不在 FIELD() 函数中作为参数提供的字符串列表中,MySQL 将返回什么?

Assume that if the search string is not in the list of strings provided as parameters in the FIELD() function, then MySQL will return 0 as output.

Example

mysql> Select FIELD('Ram','New','Delhi');
+----------------------------+
| FIELD('Ram','New','Delhi') |
+----------------------------+
|                         0  |
+----------------------------+
1 row in set (0.00 sec)

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