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如何在MongoDB中索引检索数组值?在下面的查询中,我想Computers
作为一个答案:如何检索数组值索引明智
> db.customers.find({}, { likes : { $slice: 1}}).pretty()
{
"_id" : ObjectId("57709662a93160be074de74a"),
"name" : "John",
"age" : "40",
"likes" : [
"Computers"
]
}