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September 18, 2016 02:40
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MongoDB 常用工具
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| /* 新增字段 */ | |
| db.getCollection('collection_name').update({},{$set:{'field_name':'xxx'}},false,true) | |
| /* 删除字段 */ | |
| db.getCollection('collection_name').update({},{$unset:{'field_name':''}},{multi:true}) |
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