问题:
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? Postgres 是否自动将索引放在外键和主键上? How can I tell?我怎么知道? Is there a command that will return all indexes on a table?是否有一个命令可以返回表上的所有索引?
解决方案:
参考一: https://en.stackoom.com/question/44UE参考二: https://stackoom.com/question/44UE