mongo find

最新推荐文章于 2024-01-06 19:42:16 发布

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博客展示了数据库查询操作，使用db.member.find()进行查询，还给出了指定返回字段的查询语句db.member.find({}, {\name\: 1, \isDeleted\: 1})，体现了数据库数据查询相关内容。

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db.member.find()

/* 1 */
{
    "_id" : ObjectId("5cef7216c743b45966256aed"),
    "name" : "张三",
    "gender" : "male",
    "phone" : "13012340001",
    "isDeleted" : false
}

/* 2 */
{
    "_id" : ObjectId("5cef73b0c743b45966256aee"),
    "name" : "李四",
    "gender" : "male",
    "phone" : "13012340002",
    "isDeleted" : true
}

/* 3 */
{
    "_id" : ObjectId("5cef73cdc743b45966256aef"),
    "name" : "王五",
    "gender" : "male",
    "phone" : "13012340003",
    "isDeleted" : false
}

/* 4 */
{
    "_id" : ObjectId("5cef73f2c743b45966256af0"),
    "name" : "赵六",
    "gender" : "female",
    "phone" : "13012340004",
    "isDeleted" : false
}

db.member.find({}, {"name": 1, "isDeleted": 1});

/* 1 */
{
    "_id" : ObjectId("5cef7216c743b45966256aed"),
    "name" : "张三",
    "isDeleted" : false
}

/* 2 */
{
    "_id" : ObjectId("5cef73b0c743b45966256aee"),
    "name" : "李四",
    "isDeleted" : true
}

/* 3 */
{
    "_id" : ObjectId("5cef73cdc743b45966256aef"),
    "name" : "王五",
    "isDeleted" : false
}

/* 4 */
{
    "_id" : ObjectId("5cef73f2c743b45966256af0"),
    "name" : "赵六",
    "isDeleted" : false
}