{"id":187,"date":"2018-12-18T17:20:40","date_gmt":"2018-12-18T09:20:40","guid":{"rendered":"http:\/\/www.zhongqiankun.com\/?p=187"},"modified":"2018-12-18T17:20:40","modified_gmt":"2018-12-18T09:20:40","slug":"mysql%e4%bf%ae%e6%94%b9%e5%ad%97%e6%ae%b5%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.zhongqiankun.com\/?p=187","title":{"rendered":"mysql\u4fee\u6539\u5b57\u6bb5\u957f\u5ea6"},"content":{"rendered":"<p>\u4fee\u6539\u6570\u636e\u8868\u4e2d\u67d0\u5b57\u6bb5\u7684\u957f\u5ea6\uff0c\u6ce8\u610f\u5b57\u6bb5\u7c7b\u578b\u8981\u4e0e\u539f\u5b57\u6bb5\u7c7b\u578b\u4e00\u81f4\uff0c\u4e0d\u7136\u5c31\u4e0d\u5355\u5355\u6539\u53d8\u4e86\u957f\u5ea6\uff0c\u8fde\u7c7b\u578b\u90fd\u53d8\u4e86\u3002<\/p>\n<p>\u6240\u4ee5\u5982\u679c\u4e0d\u77e5\u9053\u5b57\u6bb5\u7c7b\u578b\u7684\u65f6\u5019\u53ef\u4ee5\u5148SHOW COLUMNS\u4e00\u4e0b\u8868<\/p>\n<p>SHOW COLUMNS FROM \u8868\u540d;<\/p>\n<p style=\"margin: 10px auto; padding: 0px; color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">alter table \u8868\u540d modify column \u5b57\u6bb5\u540d \u7c7b\u578b(\u5b57\u7b26\u957f\u5ea6);<\/p>\n<p style=\"margin: 10px auto; padding: 0px; color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\"><span style=\"color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">alter table news \u00a0modify column title varchar(130);<\/span><\/p>\n<p style=\"margin: 10px auto; padding: 0px; color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">\u5982\uff1anews \u8868\u91cc\u7684title \u00a0\u5b57\u6bb5 \u539f\u6765\u957f\u5ea6\u662f 100\u4e2a\u5b57\u7b26\uff0c\u73b0\u957f\u5ea6\u8981\u6539\u6210130\u4e2a\u5b57\u7b26<\/p>\n<p style=\"margin: 10px auto; padding: 0px; color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">alter table news modify column title varchar(130);<\/p>\n<p style=\"margin: 10px auto; padding: 0px; color: #494949; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u6539\u6570\u636e\u8868\u4e2d\u67d0\u5b57\u6bb5\u7684\u957f\u5ea6\uff0c\u6ce8\u610f\u5b57\u6bb5\u7c7b\u578b\u8981\u4e0e\u539f\u5b57\u6bb5\u7c7b\u578b\u4e00\u81f4\uff0c\u4e0d\u7136\u5c31\u4e0d\u5355\u5355\u6539\u53d8\u4e86\u957f\u5ea6\uff0c\u8fde\u7c7b\u578b\u90fd\u53d8\u4e86\u3002 \u6240\u4ee5\u5982\u679c\u4e0d\u77e5 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.zhongqiankun.com\/?p=187\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cmysql\u4fee\u6539\u5b57\u6bb5\u957f\u5ea6\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-187","post","type-post","status-publish","format-standard","hentry","category-database","entry"],"_links":{"self":[{"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/posts\/187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=187"}],"version-history":[{"count":1,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/posts\/187\/revisions"}],"predecessor-version":[{"id":188,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=\/wp\/v2\/posts\/187\/revisions\/188"}],"wp:attachment":[{"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhongqiankun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}