{"id":9018,"date":"2020-07-31T11:50:58","date_gmt":"2020-07-31T18:50:58","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=9018"},"modified":"2025-12-19T00:58:52","modified_gmt":"2025-12-19T08:58:52","slug":"comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/es\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\/","title":{"rendered":"Comparaci\u00f3n de las caracter\u00edsticas de MongoDB MQL con N1QL en Couchbase 6.5"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Esta es una breve nota revisando las caracter\u00edsticas del lenguaje MongoDB MQL destacadas en el blog de la versi\u00f3n: <\/span><a href=\"https:\/\/www.mongodb.com\/blog\/post\/mongodb-44-userdriven-engineering-ready\"><span style=\"font-weight: 400;\">MongoDB 4.4: Ingenier\u00eda orientada al usuario. Listo para usted<\/span><\/a><span style=\"font-weight: 400;\">.  La versi\u00f3n 4.4 de MongoDB ha a\u00f1adido una serie de caracter\u00edsticas para el lenguaje MQL. <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/6.5\/introduction\/whats-new.html\"><span style=\"font-weight: 400;\">Couchbase lanza la versi\u00f3n 6.5<\/span><\/a><span style=\"font-weight: 400;\"> a principios de a\u00f1o con un importante n\u00famero de funciones en N1QL, tanto para el servicio de consulta como para el servicio de an\u00e1lisis. Entremos en materia.<\/span><\/p>\n<div dir=\"ltr\" align=\"left\">\n<div class=\"responsive-table\">\n<table border=\"1\" width=\"100%\" cellpadding=\"10\" cellspacing=\"0\">\n<tr>\n<th><\/th>\n<th align=\"left\">MongoDB 4.4<\/th>\n<th align=\"left\">Couchbase 6.5<\/th>\n<\/tr>\n<tr>\n<td>Publicado en<\/td>\n<td>GA: julio de 2020<\/td>\n<td>GA: enero de 2020<\/td>\n<\/tr>\n<tr>\n<td>\u00bfQu\u00e9 hay de nuevo?<\/td>\n<td>\n      https:\/\/www.mongodb.com\/collateral\/mongodb-4.4-guide\n    <\/td>\n<td>\n      https:\/\/docs.couchbase.com\/server\/current\/introduction\/whats-new.html\n    <\/td>\n<\/tr>\n<tr>\n<td>Operaci\u00f3n UNION set<\/td>\n<td style=\"word-break:break-word; overflow-wrap:anywhere;\">\n      Introduce la etapa de canalizaci\u00f3n de agregaci\u00f3n $UnionWith para convertir los datos en un \u00fanico conjunto.<br \/>\n      Conjunto de resultados. Equivalente aproximadamente a la operaci\u00f3n de conjunto UNION ALL en SQL.<br \/>\n      https:\/\/docs.mongodb.com\/master\/reference\/operator\/aggregation\/unionWith\/#pipe._S_unionWith\n    <\/td>\n<td>\n      Admite todas las operaciones de conjunto SQL desde la versi\u00f3n inicial: UNION, UNION ALL,<br \/>\n      EXCEPT, EXCEPT ALL, INTERSECT, INTERSECT ALL. El modificador ALL devuelve duplicados.<br \/>\n      documentos. El uso de la operaci\u00f3n sin ALL evita la etapa de clasificaci\u00f3n requerida en<br \/>\n      la canalizaci\u00f3n de agregaci\u00f3n MQL. Estas operaciones de conjunto se pueden utilizar en cualquier lugar donde se utilice un<br \/>\n      Se utiliza la consulta SELECT (subconsultas, tablas derivadas, etc.).<br \/>\n      https:\/\/docs.couchbase.com\/server\/current\/n1ql\/n1ql-language-reference\/union.html<br \/>\n      https:\/\/blog.jooq.org\/2015\/10\/06\/you-probably-dont-use-sql-intersect-or-except-often-enough\/\n    <\/td>\n<\/tr>\n<tr>\n<td>Expresiones de agregaci\u00f3n personalizadas<\/td>\n<td>\n      Introduce la funci\u00f3n $, que permite fragmentos de JavaScript dentro de la agregaci\u00f3n.<br \/>\n      canalizaci\u00f3n para personalizar el procesamiento. Se pueden crear agregaciones definidas por el usuario.<br \/>\n      utilizando $accumulate, $function, $merge y $group. Este enfoque es prolijo.<br \/>\n      y debe reescribirse para cada consulta. En SQL, una vez que un agregado definido por el usuario<br \/>\n      se crea, se puede reutilizar como cualquier otro agregado.<br \/>\n      Otras mejoras incluyen funciones escalares simples.<br \/>\n      https:\/\/docs.mongodb.com\/master\/release-notes\/4.4\/#custom-aggregation-expressions\n    <\/td>\n<td>\n      Versi\u00f3n preliminar de funciones SQL y funciones JavaScript que se pueden utilizar en cualquier lugar.<br \/>\n      Las expresiones est\u00e1n permitidas en N1QL. Pueden formar parte de consultas complejas y son<br \/>\n      Se espera que est\u00e9 disponible en la pr\u00f3xima versi\u00f3n principal.<br \/>\n      MongoDB a\u00fan carece de funciones de ventana, que se lanzaron en Couchbase 6.5.<br \/>\n      y mejorar significativamente la productividad de los desarrolladores.<br \/>\n      Couchbase admite la agregaci\u00f3n basada en JavaScript a trav\u00e9s de vistas de map-reduce, aunque<br \/>\n      No se puede acceder a ellos a trav\u00e9s de N1QL.<br \/>\n      Las funciones de Couchbase Eventing tambi\u00e9n est\u00e1n escritas en JavaScript y proporcionan un<br \/>\n      Infraestructura escalable para aplicaciones modernas.\n    <\/td>\n<\/tr>\n<tr>\n<td>Buscar en<\/td>\n<td>\n      Presenta la b\u00fasqueda de texto completo $ basada en Lucene, disponible solo en MongoDB Atlas.<br \/>\n      MongoDB tiene una funcionalidad de b\u00fasqueda limitada y no est\u00e1 basado en Lucene.<br \/>\n      $search solo se puede utilizar como primera etapa de un proceso de agregaci\u00f3n y<br \/>\n      No se puede utilizar en actualizaciones ni eliminaciones.\n    <\/td>\n<td>\n      Couchbase 6.5 introdujo la funci\u00f3n SEARCH() y las funciones de metadatos relacionadas.<br \/>\n      Admite desde b\u00fasquedas simples de cadenas hasta b\u00fasquedas de texto completo con una profunda integraci\u00f3n.<br \/>\n      en el optimizador N1QL.\n    <\/td>\n<\/tr>\n<tr>\n<td>Transacciones<\/td>\n<td>\n      Introduce la capacidad de crear colecciones e \u00edndices dentro de un<br \/>\n      Transacci\u00f3n no fragmentada. El uso de DDL dentro de transacciones sigue siendo poco frecuente.\n    <\/td>\n<td>\n      Lanzamiento de transacciones distribuidas para SDK de Java, lo que permite a las aplicaciones<br \/>\n      para operar en m\u00faltiples documentos utilizando API get\/set. Distribuido<br \/>\n      Las transacciones no son compatibles con las instrucciones N1QL.\n    <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<p><strong>Recursos:<\/strong><\/p>\n<ol>\n<li><a href=\"https:\/\/docs.couchbase.com\">Documentaci\u00f3n de Couchbase<\/a><\/li>\n<li><a href=\"https:\/\/query-tutorial.couchbase.com\/tutorial\/#1\">Tutorial N1QL<\/a><\/li>\n<li><a href=\"https:\/\/docs.mongodb.com\/\">Documentaci\u00f3n sobre MongoDB<\/a><\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>This is a short note reviewing the MongoDB MQL language features highlighted in the release blog: MongoDB 4.4: User-Driven Engineering. Ready for You.\u00a0 MongoDB 4.4 release has added a number of features for the MQL language. Couchbase released 6.5 earlier [&hellip;]<\/p>\n","protected":false},"author":55,"featured_media":9021,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1816,1812],"tags":[1261,1309,1725],"ppma_author":[8929],"class_list":["post-9018","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-server","category-n1ql-query","tag-json","tag-mongodb","tag-nosql-database"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Comparing MongoDB MQL with N1QL features in Couchbase 6.5 - The Couchbase Blog<\/title>\n<meta name=\"description\" content=\"MongoDB 4.4 added a number of features for the MQL language. 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We compare them with new features in Couchbase 6.5 including N1QL query and analytic services.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/es\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-31T18:50:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-19T08:58:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2020\/07\/IMG_20200712_111002-1-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Keshav Murthy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@rkeshavmurthy\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Keshav Murthy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/\"},\"author\":{\"name\":\"Keshav Murthy\",\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/#\\\/schema\\\/person\\\/c261644262bf98e146372fe647682636\"},\"headline\":\"Comparing MongoDB MQL with N1QL features in Couchbase 6.5\",\"datePublished\":\"2020-07-31T18:50:58+00:00\",\"dateModified\":\"2025-12-19T08:58:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/\"},\"wordCount\":472,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/1\\\/2020\\\/07\\\/IMG_20200712_111002-1-scaled.jpg\",\"keywords\":[\"JSON\",\"mongodb\",\"NoSQL Database\"],\"articleSection\":[\"Couchbase Server\",\"SQL++ \\\/ N1QL Query\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/\",\"url\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/\",\"name\":\"Comparing MongoDB MQL with N1QL features in Couchbase 6.5 - The Couchbase Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/comparing-mql-features-in-mongodb-4-4-with-n1ql-features-in-couchbase-6-5\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.couchbase.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/1\\\/2020\\\/07\\\/IMG_20200712_111002-1-scaled.jpg\",\"datePublished\":\"2020-07-31T18:50:58+00:00\",\"dateModified\":\"2025-12-19T08:58:52+00:00\",\"description\":\"MongoDB 4.4 added a number of features for the MQL language. 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