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mongodb
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| show dbs | |
| use db_name | |
| show collections | |
| #display tables | |
| db.testData.find() | |
| var c = db.testData.find() | |
| while = ( c.hasNext() ) printjson( c.Next() ) | |
| var c = db.testData.find() | |
| printjson( c [ 0 ] ) | |
| #bring first result | |
| db.testData.findOne() | |
| db.testData.find().limit(3) |
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