如何在MySQL数据库中找到与指定单词开头最相似的varchar单词？例如:+-------------------+|word_column|+-------------------+|StackOferflow||StackExchange||MetaStackExchange||....|+-------------------+查询:调用get_with_similar_begin('StackExch_bla_bla_bla');输出:'StackExchange'查询:调用get_with_similar_begin('StackO_bla_bla_bla');输出:'St