[MongoDB] Model Relationships Between Documents (1)
Model One-to-One Relationships with Embedded Documents // student document { _id : 'ohnamju_01', name : 'ohnamju' } // account document { account_id : 'ohnamju_01', balance : 0, } /* 자주 account 정보에서 name이 필요하다면, */ { _id : 'ohnamju_01', name : 'ohnamju' balance: 0 } - 문제점 : 필요하지 않은 데이터도 load 시켜 read를 수행할 때 느려질 수 있음. the most frequently-accessed portion of the data should go in the collection tha..
😎 지식/FE-Js_Ts_React🌐
2021. 6. 10. 12:48