{"id":6990,"date":"2014-12-22T12:26:41","date_gmt":"2014-12-22T04:26:41","guid":{"rendered":"http:\/\/jpuyy.com\/?p=6990"},"modified":"2017-06-28T16:21:58","modified_gmt":"2017-06-28T08:21:58","slug":"mysql-add-change-delete-column","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=6990","title":{"rendered":"mysql\u6dfb\u52a0\u5b57\u6bb5 \u66f4\u6539 \u5220\u9664\u5b57\u6bb5\u540d"},"content":{"rendered":"<p>\u5728 monitor \u5b57\u6bb5\u540e\u6dfb\u52a0 object_id \u5b57\u6bb5<\/p>\n<pre>alter table `url_monitor` add column object_id int not null default 0 after `monitor`;<\/pre>\n<p>\u5b57\u6bb5\u540d\u641e\u9519\uff0c\u73b0\u5728\u66f4\u6539\u5b57\u6bb5\u540d\uff0c\u628a extr \u6539\u4e3a extra<\/p>\n<pre>alter table project_name change extr extra varchar(30);<\/pre>\n<p>\u66f4\u6539\u5b57\u6bb5\u7684\u7c7b\u578b<\/p>\n<pre>alter table project_name modify extra varchar(10);<\/pre>\n<p>\u5220\u9664\u5b57\u6bb5<\/p>\n<pre>alter table `my_crontable` drop `expression`;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 monitor \u5b57\u6bb5\u540e\u6dfb\u52a0 object_id \u5b57\u6bb5 alter table `url_monitor` add column object_id int not null default 0 after `monitor`; \u5b57\u6bb5\u540d\u641e\u9519\uff0c\u73b0\u5728\u66f4\u6539\u5b57\u6bb5\u540d\uff0c\u628a extr \u6539\u4e3a extra alter table project_name change extr extra varchar(30); \u66f4\u6539\u5b57\u6bb5\u7684\u7c7b\u578b alter table project_name modify extra varchar(10); \u5220\u9664\u5b57\u6bb5 alter table `my_crontable` drop `expression`;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-6990","post","type-post","status-publish","format-standard","hentry","category-life"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6990"}],"version-history":[{"count":5,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6990\/revisions"}],"predecessor-version":[{"id":8199,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6990\/revisions\/8199"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}