关于ES官网的介绍: Elasticsearch provides near real-time search and analytics for all types of data. Whether you have structured or unstructured text, numerical data, or geospatial data, Elasticsearch can efficiently store and index it in a way that support…
索引的使用
同一条数据在未创建索引的情况下耗时:
nick字段是未创建索引的 select * from t_user WHERE nick 邹丽;SHOW PROFILES;
耗时为: user_account字段创建了唯一索引 select * from t_user WHERE user_account 13781945844;SHOW PROFILES;…