How do you update a Mongodb document? [closed]

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开发者_如何学Python

Closed 8 years ago.

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• Add an element to it
• Update a value of an element

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http://www.mongodb.org/display/DOCS/Updating

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It all depends which program language you are using. If you are using Mongo shell, you can just do

db.user.save({username:"tom"});

Update will be similar concept,

db.users.update({b:'q'}, {$set:{a:1}}, false, true) If you are familiar with SQL script, check this out

http://www.mongodb.org/display/DOCS/SQL+to+Mongo+Mapping+Chart