問題:
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? Postgres 是否自動將索引放在外鍵和主鍵上? How can I tell?我怎麼知道? Is there a command that will return all indexes on a table?是否有一個命令可以返回表上的所有索引?
解決方案:
參考一: https://en.stackoom.com/question/44UE參考二: https://stackoom.com/question/44UE