如何更新mongodb中的数据?如何更新mongodb中的数据?
这是我的我的收藏的实际结构
db.collection.find().pretty()
{
"_id" : ObjectId("557914833ac61e518e6103ab"),
"dataValue" : {
"value1" : [
"value1 A",
"value1 B"
]
}
}
我想在dataValue插入像默认
db.collection.find().pretty()
{
"_id" : ObjectId("557914833ac61e518e6103ab"),
"dataValue" : {
"value1" : [
"value1 A",
"value1 B"
],
"default" : [
"default A",
"default B"
]
}
}
请帮我
https://docs.mongodb.com/manual/reference/method/db.collection.update/ – Alex
[将新字段添加到MongoDB中的集合](https://stackoverflow.com/ questionor/7714216/add-new-field-to-a-collection-in-mongodb) – felix