{"id":2766,"date":"2023-07-20T19:27:29","date_gmt":"2023-07-20T19:27:29","guid":{"rendered":"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/"},"modified":"2023-07-20T19:27:29","modified_gmt":"2023-07-20T19:27:29","slug":"sampel-acak-mongodb","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/","title":{"rendered":"Mongodb: cara memilih sampel dokumen secara acak"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan sintaks berikut untuk memilih sampel acak dokumen dari koleksi di MongoDB:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>db.myCollection.aggregate([ { <span style=\"color: #3366ff;\">$sample<\/span> : { size: <span style=\"color: #008000;\">4<\/span> } } ])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh khusus ini memilih sampel acak <strong>4<\/strong> dokumen dari koleksi bernama <span style=\"padding: 1px; border: 1px solid black;\">myCollection<\/span> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk memilih sampel acak dengan ukuran berbeda, cukup ubah nilai di argumen <strong>size<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut memperlihatkan cara menggunakan sintaksis ini dalam praktik dengan <span style=\"padding: 1px; border: 1px solid black;\">tim<\/span> pengumpulan yang memiliki tujuh dokumen berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>db.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Mavs<\/span> \", points: 31})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Spurs<\/span> \", points: 22})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Rockets<\/span> \", points: 19})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Warriors<\/span> \", points: 26})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Cavs<\/span> \", points: 33})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Hornets<\/span> \", points: 30})\ndb.teams.insertOne({team: \" <span style=\"color: #ff0000;\">Nets<\/span> \", points: 14})<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Pilih sampel dokumen secara acak di MongoDB<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut memperlihatkan cara memilih sampel acak <strong>4<\/strong> dokumen dari koleksi <span style=\"padding: 1px; border: 1px solid black;\">tim<\/span> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>db.teams.aggregate([ { <span style=\"color: #3366ff;\">$sample<\/span> : { size: <span style=\"color: #008000;\">4<\/span> } } ])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kueri ini mengembalikan dokumen berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>{ _id: ObjectId(\"6203ee711e95a9885e1e765d\"),\n  team: 'Cavs',\n  points: 33 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e765b\"),\n  team: 'Rockets',\n  points: 19 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e7659\"),\n  team: 'Mavs',\n  points: 31 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e765f\"),\n  team: 'Nets',\n  points: 14 }<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa empat tim berikut dimasukkan dalam sampel acak ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Pedagang anggur<\/span><\/li>\n<li> <span style=\"color: #000000;\">Roket<\/span><\/li>\n<li> <span style=\"color: #000000;\">Mav<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jaring<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Jika kita menggunakan fungsi <strong>$sample<\/strong> lagi, maka sampel dokumen lain akan dipilih secara acak, artinya tidak ada jaminan bahwa kumpulan dokumen yang sama akan dipilih.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita memilih sampel acak lain yang terdiri dari <strong>4<\/strong> dokumen dari koleksi <span style=\"padding: 1px; border: 1px solid black;\">tim<\/span> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>db.teams.aggregate([ { <span style=\"color: #3366ff;\">$sample<\/span> : { size: <span style=\"color: #008000;\">4<\/span> } } ])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kueri ini mengembalikan dokumen berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>{ _id: ObjectId(\"6203ee711e95a9885e1e765b\"),\n  team: 'Rockets',\n  points: 19 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e765f\"),\n  team: 'Nets',\n  points: 14 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e765e\"),\n  team: 'Hornets',\n  points: 30 }\n{ _id: ObjectId(\"6203ee711e95a9885e1e765c\"),\n  team: 'Warriors',\n  points: 26 }<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Empat tim berikut dimasukkan dalam sampel acak ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Roket<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jaring<\/span><\/li>\n<li> <span style=\"color: #000000;\">lebah<\/span><\/li>\n<li> <span style=\"color: #000000;\">Prajurit<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa sampel acak ini tidak cocok dengan sampel acak pada contoh sebelumnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Catatan<\/strong> : Anda dapat menemukan dokumentasi lengkap untuk fungsi <strong>$sample<\/strong> <a href=\"https:\/\/docs.mongodb.com\/manual\/reference\/operator\/aggregation\/sample\/\" target=\"_blank\" rel=\"noopener\">di sini<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan operasi umum lainnya di MongoDB:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/mongodb-berisi\/\" target=\"_blank\" rel=\"noopener\">MongoDB: Cara memeriksa apakah bidang berisi string<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/mongodb-tidak-masuk\/\" target=\"_blank\" rel=\"noopener\">MongoDB: Cara menggunakan kueri \u201cNO IN\u201d.<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/mongodb-bukan-nol\/\">MongoDB: Cara menanyakan &#8220;NOT NULL&#8221; di bidang tertentu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan sintaks berikut untuk memilih sampel acak dokumen dari koleksi di MongoDB: db.myCollection.aggregate([ { $sample : { size: 4 } } ]) Contoh khusus ini memilih sampel acak 4 dokumen dari koleksi bernama myCollection . Untuk memilih sampel acak dengan ukuran berbeda, cukup ubah nilai di argumen size . Contoh berikut memperlihatkan cara [&hellip;]<\/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":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MongoDB: Cara memilih sampel dokumen secara acak - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara memilih sampel dokumen secara acak dari koleksi di MongoDB, dengan sebuah contoh.\" \/>\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\/sampel-acak-mongodb\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB: Cara memilih sampel dokumen secara acak - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara memilih sampel dokumen secara acak dari koleksi di MongoDB, dengan sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T19:27:29+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=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/\",\"url\":\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/\",\"name\":\"MongoDB: Cara memilih sampel dokumen secara acak - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-20T19:27:29+00:00\",\"dateModified\":\"2023-07-20T19:27:29+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara memilih sampel dokumen secara acak dari koleksi di MongoDB, dengan sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/sampel-acak-mongodb\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mongodb: cara memilih sampel dokumen secara acak\"}]},{\"@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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