Home Database Mysql Tutorial SQL 必知必会笔记4使用通配符过滤数据

SQL 必知必会笔记4使用通配符过滤数据

Jun 07, 2016 pm 05:40 PM
use Must know data notes filter Wildcard

LIKE操作符 通配符(wildcard): 用来匹配值的一部分的特殊字符。 百分号(%)通配符 最常使用的通配符是百分号(%)。在搜索串中,%表示任何字符出现任意次数: SELECT prod_id, prod_name FROM Products ;

LIKE操作符

通配符(wildcard):

用来匹配值的一部分的特殊字符。

百分号(%)通配符

最常使用的通配符是百分号(%)。在搜索串中,虚拟主机,香港服务器,%表示任何字符出现任意次数:

SELECT prod_id, prod_name FROM Products ; ,香港空间

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