{"id":1098,"date":"2024-07-31T11:10:16","date_gmt":"2024-07-31T09:10:16","guid":{"rendered":"https:\/\/blog.sutilweb.eu\/?page_id=1098"},"modified":"2024-07-31T11:10:17","modified_gmt":"2024-07-31T09:10:17","slug":"08-sintaxis-sql-y-buenas-practicas","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/databases\/sql\/08-sintaxis-sql-y-buenas-practicas\/","title":{"rendered":"08. Sintaxis SQL y buenas pr\u00e1cticas"},"content":{"rendered":"\n<p><strong>DBeaver<\/strong> tambi\u00e9n va a funcionar a manera de un <strong>editor de c\u00f3digo<\/strong>, lo \u00fanico que tenemos que hacer es ir a la opci\u00f3n que tenemos donde pone <strong>Editor SQL<\/strong> y hacer clic en <strong>Script SQL<\/strong>.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Escribir comentarios en SQL<\/h2>\n\n\n\n<p>Para escribir <strong>comentarios SQL<\/strong> <strong>en una sola l\u00ednea<\/strong> se utilizan dos guiones (&#8211;).<\/p>\n\n\n\n<p><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">-- Esto es un comentario en una l\u00ednea SQL<\/pre>\n\n\n\n<p>Para escribir <strong>comentarios en varias l\u00edneas<\/strong> se utiliza la siguiente sintaxis (\/* *\/), de la siguiente manera.<\/p>\n\n\n\n<p><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/*\nEsto es un comentario\nen varias l\u00edneas\nSQL\n*\/<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Buenas pr\u00e1cticas<\/h2>\n\n\n\n<p>Aunque <strong>SQL<\/strong> no distingue entre may\u00fasculas y min\u00fasculas, se considera buenas pr\u00e1cticas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Comandos<\/strong> y <strong>palabras reservadas<\/strong> de <strong>SQL<\/strong> van en may\u00fasculas.<\/li>\n\n\n\n<li>Nombres de <strong>objetos<\/strong> y <strong>datos<\/strong> van en min\u00fasculas con el tipo de formato <strong>_snake_case.<\/strong><\/li>\n\n\n\n<li>Para <strong>strings,<\/strong> usar comillas simples (&#8216; &#8216;).<\/li>\n\n\n\n<li>Todas las <strong>sentencias<\/strong> terminan con <strong>punto y coma<\/strong> (;).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DBeaver tambi\u00e9n va a funcionar a manera de un editor de c\u00f3digo, lo \u00fanico que tenemos que hacer es ir [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1076,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1098","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Sutil Web","author_link":"https:\/\/sutilweb.eu\/index.php\/author\/sutilweb\/"},"uagb_comment_info":0,"uagb_excerpt":"DBeaver tambi\u00e9n va a funcionar a manera de un editor de c\u00f3digo, lo \u00fanico que tenemos que hacer es ir [&hellip;]","_links":{"self":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/comments?post=1098"}],"version-history":[{"count":2,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1098\/revisions"}],"predecessor-version":[{"id":1100,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1098\/revisions\/1100"}],"up":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1076"}],"wp:attachment":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/media?parent=1098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}