JiGyeong's study room

[BigData] Mongo DB실습하기

[MongoDB] Oracle과 MongoDB연동, abstract

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849package com.ktds.jgbaek; import org.slf4j.Logger; public abstract class CustomLogger { // abstract 추상 클래스 protected Logger logger; // protected :상속 관계까지에서만 쓸수 있다. // private : 나만 쓸수 있다. public CustomLogger(Logger logger) { this.logger=logger; } public void trace(String msg) { logger.trace(msg); writeTrace(ms..

[MongoDB] Aggregation Function

집계함수를 실습해보자 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164pa..

[MongDB] update, find

1234567891011121314151617181920212223242526 private void updateDatas(String key, String value, MongoTestVO mongoTestVO) { Criteria criteria = new Criteria(key); criteria.is(value); Query query = new Query(criteria); Update update = new Update(); update.set("name", mongoTestVO.getName()); update.set("address", mongoTestVO.getAddress()); mongoTemplate.updateMulti(query, update, "person"); } privat..