{"id":116338,"date":"2024-06-04T21:39:58","date_gmt":"2024-06-04T19:39:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-stabilnyj-reliz-subd-duckdb"},"modified":"2024-06-04T21:39:58","modified_gmt":"2024-06-04T19:39:58","slug":"pervyj-stabilnyj-reliz-subd-duckdb","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/pervyj-stabilnyj-reliz-subd-duckdb","title":{"rendered":"Primer lanzamiento estable de la base de datos DuckDB","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de seis a\u00f1os de desarrollo, se presenta la versi\u00f3n 1.0 de DuckDB, un sistema de gesti\u00f3n de bases de datos posicionado como una alternativa a SQLite para consultas anal\u00edticas. DuckDB combina caracter\u00edsticas de SQLite, como su ligereza, la capacidad de ser integrado como una biblioteca, el almacenamiento de la base de datos en un solo archivo y una interfaz de l\u00ednea de comandos amigable, con herramientas y optimizaciones para ejecutar consultas anal\u00edticas que abarcan una gran parte de los datos almacenados, como la agregaci\u00f3n de todo el contenido de tablas o la fusi\u00f3n de varias tablas grandes. El c\u00f3digo del proyecto est\u00e1 escrito en C++ y se distribuye bajo la licencia MIT.     <\/p>\n<p>La versi\u00f3n 1.0 se marca como el primer lanzamiento estable del proyecto, en el que el enfoque principal ha sido mejorar la estabilidad en lugar de aumentar la funcionalidad. En esta nueva versi\u00f3n, tambi\u00e9n se ha consolidado el formato de almacenamiento de datos, para el cual se garantiza la compatibilidad hacia atr\u00e1s desde la versi\u00f3n anterior. En futuras versiones, los desarrolladores tienen la intenci\u00f3n de ser m\u00e1s cautelosos al agregar nuevas caracter\u00edsticas y de velar por mantener la compatibilidad entre las versiones, as\u00ed como la estabilizaci\u00f3n del dialecto SQL y la API C. Si en el futuro es necesario cambiar la sem\u00e1ntica de SQL, los desarrolladores publicar\u00e1n con antelaci\u00f3n una advertencia sobre los cambios que se avecinan y proporcionar\u00e1n soluciones para mantener la funcionalidad del c\u00f3digo existente.      <\/p>\n<p>DuckDB soporta un dialecto extendido de SQL, que incluye capacidades adicionales para manejar consultas muy complejas y de larga duraci\u00f3n. Por ejemplo, es posible utilizar tipos complejos (arreglos, estructuras, uniones), as\u00ed como realizar subconsultas correlacionadas arbitrarias e anidadas. Tambi\u00e9n se admite la ejecuci\u00f3n simult\u00e1nea de m\u00faltiples consultas, as\u00ed como la posibilidad de ejecutar consultas directamente desde archivos en formato CSV y Parquet. Hay soporte disponible para la importaci\u00f3n desde bases de datos PostgreSQL.    <\/p>\n<p>Adem\u00e1s del c\u00f3digo de la interfaz de SQLite, el proyecto utiliza un analizador extra\u00eddo en una biblioteca separada de PostgreSQL, el componente Date Math de MonetDB, su propia implementaci\u00f3n de funciones de ventana (basada en el algoritmo de agregaci\u00f3n Segment Tree), un procesador de expresiones regulares basado en la biblioteca RE2, un optimizador de consultas propio, un mecanismo MVCC de control de concurrencia de m\u00faltiples versiones (Multi-Version Concurrency Control), as\u00ed como un motor de ejecuci\u00f3n de consultas vectorizado basado en el algoritmo de Ejecuci\u00f3n de Consultas Hyper-Pipelining, que permite procesar grandes conjuntos de valores en una sola operaci\u00f3n.<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61309\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 DuckDB 1.0, \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u043c\u043e\u0439 \u043a\u0430\u043a \u0432\u0430\u0440\u0438\u0430\u043d\u0442 SQLite \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432. DuckDB \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0442\u0430\u043a\u0438\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 SQLite, \u043a\u0430\u043a \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0441\u0442\u044c, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0411\u0414 \u0432 \u043e\u0434\u043d\u043e\u043c \u0444\u0430\u0439\u043b\u0435 \u0438 \u0443\u0434\u043e\u0431\u043d\u044b\u0439 CLI-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u0441\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0438\u0445 \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u0441\u0435\u0433\u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116338","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 DuckDB 1.0, \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u043c\u043e\u0439 \u043a\u0430\u043a \u0432\u0430\u0440\u0438\u0430\u043d\u0442 SQLite \u0434\u043b\u044f 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