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December 20, 2015 14:49
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MongoDB fascinating queries
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| /* | |
| * Querying inside an array | |
| * | |
| * { | |
| * "contents": [ | |
| * "url": "" | |
| * ] | |
| * } | |
| */ | |
| db.collection.find({"contents": {"$elemMatch": {"url": ""}}}) | |
| /* | |
| * Remove an element inside an array based on conditions | |
| */ | |
| db.lectures.update({"contents": {"$elemMatch": {"url": ""}}}, {"$pull": {"contents": { "url": ""}}}) |
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