MongoDB adds default values in batches

class:MongoDB views:92 Author:xiaomo314
db.neeq2006.update({}, {$set:{"name":""}}, false, true)
{} : Fill in the blank value, indicating all data
{$set:{"name":""}} : Add field name and field value
false : Do not insert new data
true : update all data
Operation result
Updated 7517 existing record(s) in 374ms

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