"game" : "game9", "ball" : "ball9", "other" : "nothing9" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb9b"), "userId" : "100101710", "userName" : "Bill Tu10", "gender" : "m10", "age" : 10, "rank" : [ 10, 10, 10 ], "interests" :
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MongoDB下的高级查询示例(三)
Id("4dd7d214b2d55d5e1db1bb9a"), "userId" : "10010179", "userName" : "Bill Tu9", "gender" : "m9", "age" : 9, "rank" : [ 9, 9, 9 ], "interests" : {
"game" : "game9", "ball" : "ball9", "other" : "nothing9" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb9b"), "userId" : "100101710", "userName" : "Bill Tu10", "gender" : "m10", "age" : 10, "rank" : [ 10, 10, 10 ], "interests" :
{ "game" : "game10", "ball" : "ball10", "other" : "nothing10" } }
"game" : "game9", "ball" : "ball9", "other" : "nothing9" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb9b"), "userId" : "100101710", "userName" : "Bill Tu10", "gender" : "m10", "age" : 10, "rank" : [ 10, 10, 10 ], "interests" :