{"id":1853,"date":"2022-03-30T15:05:00","date_gmt":"2022-03-30T13:05:00","guid":{"rendered":"https:\/\/jdm.pl\/blog\/?p=1853"},"modified":"2022-04-02T15:37:41","modified_gmt":"2022-04-02T13:37:41","slug":"po-co-wordpress-ma-baze-danych","status":"publish","type":"post","link":"https:\/\/jdm.pl\/blog\/po-co-wordpress-ma-baze-danych\/","title":{"rendered":"Po co WordPress ma baz\u0119 danych?"},"content":{"rendered":"\n<p>Po co WordPress ma baz\u0119 danych MySQL i czy mo\u017ce bez niej funkcjonowa\u0107? Chocia\u017c odpowied\u017a wydaje si\u0119 oczywista, to nie dla wszystkich pocz\u0105tkuj\u0105cych u\u017cytkownik\u00f3w jest jasne, \u017ce WordPress jako CMS potrzebuje do dzia\u0142ania bazy MySQL. Dlatego np. skopiowanie samych plik\u00f3w przez sftp nie jest wystarczaj\u0105ce do migracji strony, jak dzieje si\u0119 to w przypadku klasycznych, prostych stron napisanych w j\u0119zyku HTML. <\/p>\n\n\n\n<p>Najpro\u015bciej t\u0142umacz\u0105c:  MySQL to system zarz\u0105dzania baz\u0105 danych u\u017cywany przez WordPress do przechowywania i pobierania informacji z Twojej witryny internetowej. Dzia\u0142a na zasadzie szafy na dokumenty dla strony www, w kt\u00f3rej wszystko jest zorganizowane i posegregowane. Informacje s\u0105 pobierane, dodawane i usuwane z tabel w bazie danych przy u\u017cyciu specjalnego j\u0119zyka programowania zwanego SQL.<\/p>\n\n\n\n<p>Sama aplikacja bazy danych jest obecnie w\u0142asno\u015bci\u0105 Oracle Corporation i jest oprogramowaniem typu open source na licencji GPL; jest udost\u0119pniana bezp\u0142atnie.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Jak zbudowana jest baza danych w WordPressie<\/h2>\n\n\n\n<p>W podstawowej wersji baza danych MySQL w WordPressie sk\u0142ada si\u0119 ona z 12 tabel. Je\u017celi jednak dodajemy wtyczki, tworz\u0105 one niekiedy w\u0142asne, dodatkowe tabele. Do podstawowych tabeli nale\u017c\u0105:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>wp_commentmeta<\/strong> \u2013 metadane komentarzy,<\/li><li><strong>wp_comments<\/strong> \u2013 tre\u015b\u0107 komentarzy,<\/li><li><strong>wp_links<\/strong> \u2013 dodane odno\u015bniki oraz ich dane,<\/li><li><strong>wp_options<\/strong> \u2013 opcje witryny,<\/li><li><strong>wp_posts<\/strong>\u00a0\u2013 tre\u015b\u0107 wpis\u00f3w,<\/li><li><strong>wp_termmeta<\/strong>\u00a0\u2013 niestandardowe metadane,<\/li><li><strong>wp_terms\u00a0<\/strong>\u2013 kategorie oraz tagi,<\/li><li><strong>wp_term_relationships<\/strong>\u00a0\u2013 tworzy relacje kategorii i tag\u00f3w z wpisami,<\/li><li><strong>wp_term_taxonomy<\/strong>\u00a0\u2013 opisy kategorii oraz tag\u00f3w,<\/li><li><strong>wp_usermeta<\/strong>\u00a0\u2013 metadane u\u017cytkownik\u00f3w,<\/li><li><strong>wp_users<\/strong>\u00a0\u2013 u\u017cytkownicy.<\/li><\/ul>\n\n\n\n<p>Szczeg\u00f3\u0142owy opis zawarto\u015bci poszczeg\u00f3lnych tabel <a href=\"https:\/\/codex.wordpress.org\/Database_Description\" target=\"_blank\" rel=\"noreferrer noopener\">znajdziemy w Codexie<\/a>. <\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Co jest przechowywane w bazie danych MySQL<\/h2>\n\n\n\n<p>Jak mo\u017cna si\u0119 zorientowa\u0107 po zawarto\u015bci tabel, w bazie danych WordPress przechowuje m.in. posty, strony, kategorie, tagi czy komentarze. Jednym s\u0142owem wszystkie najwa\u017cniejsze informacje, kt\u00f3re nasza strona potrzebuje dla prawid\u0142owego dzia\u0142ania. Dlatego je\u017celi nie musimy, nie powinni\u015bmy samodzielnie ingerowa\u0107 w baz\u0119 danych. Tymbardziej, kiedy nie posiadamy do tego odpowiednich umiejetno\u015bci. Je\u015bli jednak ju\u017c musimy zmienia\u0107 &#8211; wykonajmy wcze\u015bniej bezwzgl\u0119dnie kopi\u0119 \/ <a href=\"https:\/\/jdm.pl\/blog\/snapshoty-dlaczego-warto-z-nich-korzystac\/\" target=\"_blank\" rel=\"noreferrer noopener\">snapshot<\/a> naszej bazy danych.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Jak dosta\u0107 si\u0119 do bazy danych MySQL?<\/h2>\n\n\n\n<p>W przypadku klient\u00f3w hostingu JDM.pl udost\u0119pniamy <a href=\"https:\/\/pma.jdm.pl\/\" target=\"_blank\" rel=\"noreferrer noopener\">panel phpMyAdmin<\/a>. Dane do logowania znajduj\u0105 si\u0119 w panelu klienta oraz w mailu powitalnym po za\u0142o\u017ceniu konta. W razie pyta\u0144 i w\u0105tpliwo\u015bci prosimy o kontakt poprzez <a href=\"https:\/\/jdm.pl\/blog\/korzystanie-ze-zgloszen-w-hostingu\/\" target=\"_blank\" rel=\"noreferrer noopener\">zg\u0142oszenie<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login-1024x511.png\" alt=\"\" class=\"wp-image-1859\" width=\"1024\" height=\"511\" srcset=\"https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login-1024x511.png 1024w, https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login-300x150.png 300w, https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login-768x383.png 768w, https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login-250x124.png 250w, https:\/\/jdm.pl\/blog\/wp-content\/uploads\/2022\/04\/login.png 1123w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Podsumowaj\u0105c, odpowied\u017a po co WordPress ma baz\u0119 danych jest wi\u0119c bardzo prosta &#8211; jest ona niezb\u0119dna do jego funkcjonowania. Samodzielnie nie powinni\u015bmy w ni\u0105 ingerowa\u0107, je\u017celi nie mamy umiej\u0119tno\u015bci ani wiedzy z tego zakresu. <\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po co WordPress ma baz\u0119 danych MySQL i czy mo\u017ce bez niej funkcjonowa\u0107? Chocia\u017c odpowied\u017a wydaje si\u0119 oczywista, to nie dla wszystkich pocz\u0105tkuj\u0105cych u\u017cytkownik\u00f3w jest jasne, \u017ce WordPress jako CMS potrzebuje do dzia\u0142ania bazy MySQL. Dlatego np. skopiowanie samych plik\u00f3w przez sftp nie jest wystarczaj\u0105ce do migracji strony, jak dzieje si\u0119 to w przypadku klasycznych, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1860,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[12],"class_list":["post-1853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress","tag-dla-blogerow"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Po co WordPress ma baz\u0119 danych? - Blog jdm.pl<\/title>\n<meta name=\"description\" content=\"Po co WordPress ma baz\u0119 danych? 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