{"id":1783,"date":"2024-08-03T08:19:52","date_gmt":"2024-08-03T06:19:52","guid":{"rendered":"https:\/\/blog.sutilweb.eu\/?page_id=1783"},"modified":"2024-08-03T08:19:53","modified_gmt":"2024-08-03T06:19:53","slug":"13-sentencias-crud-en-mysql","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/lenguajes\/php\/poo-php\/13-sentencias-crud-en-mysql\/","title":{"rendered":"13. Sentencias CRUD en MySQL"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Imaginemos que tenemos una base de datos de pel\u00edculas. Veamos algunas sentencias que podemos realizar a una de las tablas de nuestra base de datos para entender su sintaxis.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Borrar un registro<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis que utilizamos es la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">DELETE FROM movies WHERE imdb_id = 'tt3749900';<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Ver todos los registros de pel\u00edculas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis que utilizaremos ser\u00e1 la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT * FROM movies;<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Ver todos los registros que tenemos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis que utilizamos es la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT COUNT(*) FROM movies;<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Buscar todas las series<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis ser\u00eda la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT * FROM movies WHERE category = 'Serie';<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Buscar ciertos campos ordenados por a\u00f1o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis ser\u00eda la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT title, category, year, status FROM movies WHERE category = 'Serie' ORDER BY premiere;<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Sentencias AND y OR<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sintaxis que utilizar\u00edamos ser\u00eda la siguiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT title, category, year, status FROM movies WHERE category = 'Movie' AND country LIKE '%USA%' ORDER BY premiere;\nSELECT title, category, year, status FROM movies WHERE status =3 OR status = 4 ORDER BY premiere;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Imaginemos que tenemos una base de datos de pel\u00edculas. Veamos algunas sentencias que podemos realizar a una de las tablas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1735,"menu_order":12,"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-1783","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":"Imaginemos que tenemos una base de datos de pel\u00edculas. Veamos algunas sentencias que podemos realizar a una de las tablas [&hellip;]","_links":{"self":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1783","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=1783"}],"version-history":[{"count":2,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1783\/revisions"}],"predecessor-version":[{"id":1785,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1783\/revisions\/1785"}],"up":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1735"}],"wp:attachment":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/media?parent=1783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}