{"id":2444,"date":"2023-07-22T06:18:38","date_gmt":"2023-07-22T06:18:38","guid":{"rendered":"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/"},"modified":"2023-07-22T06:18:38","modified_gmt":"2023-07-22T06:18:38","slug":"mongodb-beberapa-bidang-berbeda","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/","title":{"rendered":"Mongodb: cara memilih nilai berbeda dari beberapa bidang"},"content":{"rendered":"

<\/p>\n

\n

Anda dapat menggunakan sintaks berikut untuk memilih nilai berbeda di beberapa bidang di MongoDB:<\/span><\/p>\n

 db.collection.aggregate( \n            [\n                { $group<\/span> : { \"_id\": { field1: \" $field1<\/span> \", field2: \" $field2<\/span> \" } } }\n            ]\n        )<\/strong><\/pre>\n
 Contoh berikut memperlihatkan cara menggunakan sintaksis ini dengan tim<\/span> koleksi dengan dokumen berikut:<\/span><\/p>\n
 db.teams.insertOne({team: \" Mavs<\/span> \", position: \" Guard<\/span> \", points: 31<\/span> })<\/strong>\ndb.teams.insertOne({team: \" Mavs<\/span> \", position: \" Guard<\/span> \", points: 22<\/span> })<\/strong>\ndb.teams.insertOne({team: \" Rockets<\/span> \", position: \" Center<\/span> \", points: 19<\/span> })<\/strong>\ndb.teams.insertOne({team: \" Rockets<\/span> \", position: \" Forward<\/span> \", points: 26<\/span> })\n<\/strong>db.teams.insertOne({team: \" Rockets<\/span> \", position: \" Forward<\/span> \", points: 29<\/span> })<\/strong> \ndb.teams.insertOne({team: \" Cavs<\/span> \", position: \" Guard<\/span> \", points: 33<\/span> })<\/strong><\/pre>\n
 Contoh: Pilih nilai yang berbeda di beberapa bidang<\/strong><\/span><\/h3>\n
 Kita dapat menggunakan kueri berikut untuk menemukan semua nilai bidang tim dan posisi yang berbeda:<\/span><\/p>\n
 db.teams.aggregate( \n            [\n                { $group<\/span> : { \"_id\": { team: \" $team<\/span> \", position: \" $position<\/span> \" } } }\n            ]\n        )\n<\/strong><\/pre>\n
 Kueri ini mengembalikan dokumen berikut:<\/span><\/p>\n
 { _id: { team: 'Mavs', position: 'Guard' } }\n{ _id: { team: 'Rockets', position: 'Forward' } }\n{ _id: { team: 'Rockets', position: 'Center' } }\n{ _id: { team: 'Cavs', position: 'Guard' } }<\/strong><\/pre>\n
 Dan kita dapat menggunakan kueri berikut untuk menemukan semua nilai berbeda dari bidang tim, posisi, dan poin:<\/span><\/p>\n
 db.teams.aggregate( \n        [\n          { $group<\/span> : {\"_id\": {team: \" $team<\/span> \", position: \" $position<\/span> \", points: \" $points<\/span> \"}}}\n        ]\n    )\n<\/strong><\/pre>\n
 Kueri ini mengembalikan dokumen berikut:<\/span><\/p>\n
 { _id: { team: 'Cavs', position: 'Guard', points: 33 } }\n{ _id: { team: 'Rockets', position: 'Forward', points: 29 } }\n{ _id: { team: 'Mavs', position: 'Guard', points: 22 } }\n{ _id: { team: 'Rockets', position: 'Forward', points: 26 } }\n{ _id: { team: 'Mavs', position: 'Guard', points: 31 } }\n{ _id: { team: 'Rockets', position: 'Center', points: 19 } }<\/strong><\/pre>\n
 Perhatikan bahwa semua dokumen dikembalikan karena tidak ada dua dokumen yang memiliki nilai yang sama untuk bidang tim, posisi , dan<\/em> poin.<\/span><\/p>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Tutorial berikut menjelaskan cara melakukan operasi umum lainnya di MongoDB:<\/span><\/p>\n
 MongoDB: Cara menambahkan bidang baru ke koleksi<\/a>
 MongoDB: Cara mengelompokkan dan menghitung<\/a>
 MongoDB: Cara mengelompokkan berdasarkan beberapa bidang<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Anda dapat menggunakan sintaks berikut untuk memilih nilai berbeda di beberapa bidang di MongoDB: db.collection.aggregate( [ { $group : { “_id”: { field1: ” $field1 “, field2: ” $field2 ” } } } ] ) Contoh berikut memperlihatkan cara menggunakan sintaksis ini dengan tim koleksi dengan dokumen berikut: db.teams.insertOne({team: ” Mavs “, position: ” Guard […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"\nMongoDB: Cara memilih nilai berbeda dari berbagai bidang - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara memilih nilai yang berbeda dari beberapa bidang di MongoDB, termasuk contohnya.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB: Cara memilih nilai berbeda dari berbagai bidang - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara memilih nilai yang berbeda dari beberapa bidang di MongoDB, termasuk contohnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T06:18:38+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/\",\"url\":\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/\",\"name\":\"MongoDB: Cara memilih nilai berbeda dari berbagai bidang - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-22T06:18:38+00:00\",\"dateModified\":\"2023-07-22T06:18:38+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara memilih nilai yang berbeda dari beberapa bidang di MongoDB, termasuk contohnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/mongodb-beberapa-bidang-berbeda\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mongodb: cara memilih nilai berbeda dari beberapa bidang\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. 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