{"id":256,"date":"2021-05-26T11:33:58","date_gmt":"2021-05-26T14:33:58","guid":{"rendered":"http:\/\/hotelwww.uni5.net\/site\/novo\/blog\/comando-mysql-para-limpar-campo\/"},"modified":"2021-05-26T11:33:58","modified_gmt":"2021-05-26T14:33:58","slug":"comando-mysql-para-limpar-campo","status":"publish","type":"blog","link":"https:\/\/www.hotelwww.com.br\/site\/blog\/comando-mysql-para-limpar-campo\/","title":{"rendered":"Comando MySQL para limpar campo"},"content":{"rendered":"<p><span style=\"border-collapse: collapse; font-family: arial,sans-serif; font-size: 13px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-thumbnail wp-image-2342\" title=\"MySQL\" src=\"http:\/\/www.hotelwww.com.br\/site\/\/wp-content\/uploads\/mysql-150x150.jpg\" alt=\"MySQL\" width=\"150\" height=\"150\" \/>Comando em MySQL para limpar um campo de uma tabela.<\/span><\/p>\n<div>UPDATE \u00abtabela\u00bb<br \/>\nSET \u00abcampo\u00bb = null;<\/div>\n<p><\/p>\n<div>Este comando faz com que uma tabela chamada &#8220;tblusuarios&#8221; com o campo &#8220;senha&#8221; fique com o campo &#8220;senha&#8221; vazio.<\/div>\n<p><\/p>\n<div><strong>Exemplo:<\/strong><\/div>\n<div>UPDATE tblusuarios SET senha = null;<\/div>\n<div><!--more-->Tabela com dados no campo senha<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2345\" title=\"tab1\" src=\"http:\/\/www.hotelwww.com.br\/site\/\/wp-content\/uploads\/tab1.JPG\" alt=\"tab1\" width=\"201\" height=\"89\" \/><\/div>\n<div>Tabela ap\u00f3s executar o comando<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2346\" title=\"tab2\" src=\"http:\/\/www.hotelwww.com.br\/site\/\/wp-content\/uploads\/tab2.JPG\" alt=\"tab2\" width=\"201\" height=\"89\" \/><\/div>\n<div id=\"_mcePaste\" style=\"overflow: hidden; position: absolute; left: -10000px; top: 118px; width: 1px; height: 1px;\">\n<table style=\"border-collapse: collapse; width: 144pt;\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"192\">\n<col style=\"width: 48pt;\" span=\"3\" width=\"64\"><\/col>\n<tbody>\n<tr style=\"height: 12.75pt;\" height=\"17\">\n<td style=\"height: 12.75pt; width: 48pt;\" width=\"64\" height=\"17\">ID<\/td>\n<td style=\"width: 48pt;\" width=\"64\">Usuario<\/td>\n<td style=\"width: 48pt;\" width=\"64\">Senha<\/td>\n<\/tr>\n<tr style=\"height: 12.75pt;\" height=\"17\">\n<td style=\"height: 12.75pt;\" height=\"17\" align=\"right\">1<\/td>\n<td>Marcelo<\/td>\n<td align=\"right\">1234<\/td>\n<\/tr>\n<tr style=\"height: 12.75pt;\" height=\"17\">\n<td style=\"height: 12.75pt;\" height=\"17\" align=\"right\">2<\/td>\n<td>Henrique<\/td>\n<td align=\"right\">4321<\/td>\n<\/tr>\n<tr style=\"height: 12.75pt;\" height=\"17\">\n<td style=\"height: 12.75pt;\" height=\"17\" align=\"right\">3<\/td>\n<td>Roberto<\/td>\n<td align=\"right\">4213<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Comando em MySQL para limpar um campo de uma tabela. UPDATE \u00abtabela\u00bb SET \u00abcampo\u00bb = null; Este comando faz com que uma tabela chamada &#8220;tblusuarios&#8221; com o campo &#8220;senha&#8221; fique com o campo &#8220;senha&#8221; vazio. Exemplo: UPDATE tblusuarios SET senha = null;<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comando MySQL para limpar campo - Hotelwww<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hotelwww.com.br\/site\/blog\/comando-mysql-para-limpar-campo\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comando MySQL para limpar campo - Hotelwww\" \/>\n<meta property=\"og:description\" content=\"Comando em MySQL para limpar um campo de uma tabela. 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