我想将我的数据从“demographic.education”列移动到“demographic.school”。我怎么能这样做?
例如:
db.users.update({"demographic.education":{$exists: true, $ne: ""}}, {$set: {"demographic.school":demographic.education}})
我想将我的数据从“demographic.education”列移动到“demographic.school”。我怎么能这样做?
例如:
db.users.update({"demographic.education":{$exists: true, $ne: ""}}, {$set: {"demographic.school":demographic.education}})