SQL 必知必会笔记4使用通配符过滤数据
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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