各位在没有ORM或者其他数据库抽象层的帮助下，如何避免*** LEFT JOIN，这种多表关联查询呢？ - V2EX

各位在没有ORM或者其他数据库抽象层的帮助下，如何避免*** LEFT JOIN，这种多表关联查询呢？ - V2EX

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这是一个创建于 4300 天前的主题，其中的信息可能已经有所发展或是发生改变。

4 条回复 1970-01-01 08:00:00 +08:00

1

davepkxxx

2014-01-10 17:55:13 +08:00

冗余设计 or 缓存

2

holystrike

2014-01-10 18:04:56 +08:00

1

分多次进行简单查询

3

laomo

2014-01-10 19:40:18 +08:00

4

humiaozuzu

2014-01-10 19:46:05 +08:00

“没有ORM或者其他数据库抽象层的帮助下” 不太懂这句话和 left join 有什么关系

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