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                #### 創建集合 ``` mongodb里面的集合是隱式創建,就是無需創建,直接使用 db.集合名.insert({}), 向集合中添加文檔 ``` ``` > use php switched to db php > db.c1.insert({"name":"sn", "age":10}) ``` #### 查看集合 ``` > show tables c1 system.indexes ``` ``` > db.c1.find() 查詢所有集合 { "_id" : ObjectId("5c9844a6374874de4a8c0dea"), "name" : "sn", "age" : 10 } > db.c1.findOne() 查詢第一條文檔 { "_id" : ObjectId("5c9844a6374874de4a8c0dea"), "name" : "sn", "age" : 10 } ``` #### 刪除集合 ``` > db.c1.drop() true > show tables system.indexes ```
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