4. Document(Object) base
person { address {{
address {
name : “mongo”, address
lon :: 3.23483874,
lon 3.23483874,
birthday : { lat ::: 43.342344,
address 3.23483874,
lon 43.342344,
{
lat : 43.342344,
year : 1985, lat
city :: “where”
city :: “where”
city “where”
“where”
month : 8, }} } city
day : 23 }
},
language : [
“korean”,
“english”
],
$address : ref
}
stored as BSON