{"id":232844,"date":"2023-01-30T09:57:00","date_gmt":"2023-01-30T06:57:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=232844"},"modified":"2023-02-06T11:43:35","modified_gmt":"2023-02-06T08:43:35","slug":"como-imprimir-o-resumo-da-tabela-mysql-usando-php","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/pt-pt\/como-imprimir-o-resumo-da-tabela-mysql-usando-php\/","title":{"rendered":"Como imprimir o resumo da tabela MySQL usando PHP?"},"content":{"rendered":"<p>A tabela <a href=\"https:\/\/helloacm.com\/how-to-generate-100k-test-data-to-mysql-database\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">MySQL<\/a> tem um comando <strong>Show Table Status<\/strong> que imprime um resumo da tabela, mas cont\u00e9m muitas informa\u00e7\u00f5es sobre todas as tabelas do banco de dados atual (para alterar o banco de dados, use &#8216;use database_name&#8217;), o que n\u00e3o \u00e9 t\u00e3o amig\u00e1vel.<\/p>\n<p>O que queremos saber \u00e9 o tamanho dos dados e o tamanho do \u00edndice, voc\u00ea pode usar o seguinte script <a href=\"https:\/\/helloacm.com\/the-php-bing-wallpaper-bot-crawler\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">PHP<\/a> para imprimir essas informa\u00e7\u00f5es.<\/p>\n<pre><code>&lt;?php\n\u00a0 require('conn.php'); \/\/ connect your database using e.g. $connection = mysqli_connect(...)\n\u00a0 $query = \"show table status\";\n\u00a0 $result = mysqli_query($connection, $query);\n\u00a0 $ds = 0;\n\u00a0 $is = 0;\n\u00a0 echo \"&lt;table style='text-align:left;width:100%'&gt;\";\n\u00a0 echo \"&lt;tr \u00a0style='background:blue;color:yellow;'&gt;&lt;th&gt;Name&lt;\/th&gt;&lt;th&gt;Data&lt;\/th&gt;&lt;th&gt;Index&lt;\/th&gt;&lt;\/tr&gt;\";\n\u00a0 function format($c) {\n\u00a0 \u00a0 return (round($c \/ 1024, 2)). 'KB';\n\u00a0 }\n\u00a0 while ($row = mysqli_fetch_assoc($result)) {\n\u00a0 \u00a0 echo \"&lt;tr&gt;&lt;th&gt;\". ($row['Name']). '&lt;\/th&gt;';\n\u00a0 \u00a0 echo \"&lt;th&gt;\". format($row['Data_length']). \"&lt;\/th&gt;\";\n\u00a0 \u00a0 echo \"&lt;th&gt;\". format($row['Index_length']). \"&lt;\/th&gt;\";\n\u00a0 \u00a0 $ds += $row['Data_length'];\n\u00a0 \u00a0 $is += $row['Index_length'];\n\u00a0 \u00a0 echo \"&lt;\/tr&gt;\";\n\u00a0 }\n\u00a0 echo \"&lt;tr style='background:lightblue;'&gt;\";\n\u00a0 echo \"&lt;th&gt;\". format($ds + $is). \"&lt;\/th&gt;&lt;th&gt;\". format($ds). \"&lt;\/th&gt;&lt;th&gt;\". format($is). \"&lt;\/th&gt;\";\n\u00a0 echo \"&lt;\/tr&gt;&lt;\/table&gt;\";<\/code><\/pre>\n<p>Aqui est\u00e1 um exemplo do uso de um banco de dados <a href=\"https:\/\/wordpress.mediadoma.com\/pt-pt\/como-adicionar-disqus-se-os-comentarios-estiverem-fechados-no-wordpress\/\" title=\"wordpress\">wordpress<\/a> t\u00edpico. Formatamos o tamanho usando KB. Dessa forma, voc\u00ea pode acompanhar o uso da tabela de tempos em tempos. Voc\u00ea tamb\u00e9m pode alterar o CSS elegante no c\u00f3digo acima para formatar a sa\u00edda.<\/p>\n<p>mysql-show-table-status-in-php-example<\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Fonte de grava\u00e7\u00e3o:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/helloacm.com\" class=\"external external_icon\">helloacm.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Como imprimir o resumo da tabela MySQL usando PHP?<\/p>\n","protected":false},"author":1,"featured_media":224526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[898,722,920,806],"tags":[1170],"class_list":["post-232844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-codigo-2","category-desenvolvedor","category-outro","category-php-8","tag-affiai-pt-pt"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts\/232844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=232844"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts\/232844\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/media\/224526"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=232844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=232844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=232844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}