mongodb data type (objectID type ; BSON / JSON type)

RDBMS 에서 데이터 속성을 표현하기 위해 data type이 존재하듯이, mongoDB에도 data type이 제공된다. (Object_ID type, JSON type) (1) Object_ID type >> RDBMS에서...

mongodb insert / save (commit?) / update / remove / find (=select) / drop data (= document = row)

C:\Users\Gin> cd C:\Program Files\MongoDB\Server\3.2\bin C:\Program Files\MongoDB\Server\3.2\bin> mongo 2016-08-30T14:00:06.711+09...

mongodb create and drop collection which is equal to RDBMS table

db.createCollection("employees", {capped:true, size:10000}) db.employees.validate(); db.employees.drop();

mongoDB how to start and shutdown