{"id":2628,"date":"2022-08-16T17:53:51","date_gmt":"2022-08-16T17:53:51","guid":{"rendered":"https:\/\/wdqs-tutorial.toolforge.org\/?p=2628"},"modified":"2023-04-06T17:23:20","modified_gmt":"2023-04-06T17:23:20","slug":"esercizio-piu-di-una-variabile","status":"publish","type":"post","link":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/simple-queries-it\/adding-variables-it\/esercizio-piu-di-una-variabile\/?lang=it","title":{"rendered":"Esercizio: pi\u00f9 di una variabile"},"content":{"rendered":"\n<h4>| Esercizio: scrivi una query per mostrare il regista e sceneggiatore (P58) di ogni film della serie di film di Star Wars<\/h4>\n\n\n\n<iframe style=\"width:100%;max-width:100%;height:450px\" src=\"https:\/\/query.wikidata.org\/\" class=\"\" frameborder=\"0\"><\/iframe>\n\n\n\n<div class=\"wp-block-coblocks-accordion\">\n<div class=\"wp-block-coblocks-accordion-item\"><details><summary class=\"wp-block-coblocks-accordion-item__title\">mostra soluzione<\/summary><div class=\"wp-block-coblocks-accordion-item__content\">\n<p><\/p>\n\n\n\n<iframe style=\"width:100%;max-width:100%;height:450px\" src=\"https:\/\/query.wikidata.org\/#%23Star%20Wars%20films%0A%0ASELECT%20%3Fitem%20%20%3FitemLabel%20%3FdirectorLabel%20%3FscreenwriterLabel%0AWHERE%20%0A%7B%20%0A%20%20%3Fitem%20wdt%3AP179%20wd%3AQ22092344.%20%23%20item%20is%20part%20of%20the%20series%20Star%20Wars%20%28film%20series%29%0A%20%20%3Fitem%20wdt%3AP57%20%3Fdirector.%20%20%20%20%20%23%20item%E2%80%99s%20director%20property%E2%80%99s%20value%20is%20collected%20by%20the%20director%20variable%20%0A%20%20%3Fitem%20wdt%3AP58%20%3Fscreenwriter.%20%23%20item%E2%80%99s%20screenwriter%20property%E2%80%99s%20value%20is%20collected%20by%20the%20screenwriter%20variable%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%22.%20%7D%0A%20%20%0A%7D\" class=\"\" frameborder=\"0\"><\/iframe>\n\n\n\n<p>oppure, utilizzando una sintassi diversa (vedi spiegazione <a href=\"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/simple-queries\/adding-match-patterns\/two-or-more-match-patterns\/#syntax\">qui<\/a>):<\/p>\n\n\n\n<iframe style=\"width:100%;max-width:100%;height:450px\" src=\"https:\/\/query.wikidata.org\/#%23Star%20Wars%20films%0A%0ASELECT%20%3Fitem%20%20%3FitemLabel%20%3FdirectorLabel%20%3FscreenwriterLabel%0AWHERE%20%0A%7B%20%0A%20%20%3Fitem%20wdt%3AP179%20wd%3AQ22092344%3B%20%23%20item%20is%20part%20of%20the%20series%20Star%20Wars%20%28film%20series%29%0A%20%20%20%20%20%20%20%20wdt%3AP57%20%3Fdirector%3B%20%20%20%20%20%23%20item%E2%80%99s%20director%20property%E2%80%99s%20value%20is%20collected%20by%20the%20director%20variable%20%0A%20%20%20%20%20%20%20%20wdt%3AP58%20%3Fscreenwriter.%20%23%20item%E2%80%99s%20screenwriter%20property%E2%80%99s%20value%20is%20collected%20by%20the%20screenwriter%20variable%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%22.%20%7D%0A%20%20%0A%7D\" class=\"\" frameborder=\"0\"><\/iframe>\n\n\n\n<p>La <a href=\"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/simple-queries\/adding-variables\/query-with-more-than-one-variable\/\">precedente query<\/a> che elencava il regista di ogni film di Guerre stellari ha restituito 9 risultati. Questa query restituisce 16 risultati. Come mai?<br><br>Perch\u00e9 ci sono pi\u00f9 sceneggiatori per alcuni dei film. Quindi otteniamo una riga per ogni sceneggiatore.<\/p>\n<\/div><\/details><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>| Esercizio: scrivi una query per mostrare il regista e sceneggiatore (P58) di ogni film della serie di film di Star Wars<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/posts\/2628"}],"collection":[{"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/comments?post=2628"}],"version-history":[{"count":4,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/posts\/2628\/revisions"}],"predecessor-version":[{"id":2677,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/posts\/2628\/revisions\/2677"}],"wp:attachment":[{"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/media?parent=2628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/categories?post=2628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wdqs-tutorial.toolforge.org\/index.php\/wp-json\/wp\/v2\/tags?post=2628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}