\u521b\u5efa\u7528\u6237
\nCREATE USER YYan@localhost IDENTIFIED BY ‘123456’;
\n\u5220\u9664\u7528\u6237
\nDROP USER YYan@localhost;
\n\u91cd\u547d\u540d\u7528\u6237
\nRENAME Old_User TO New_User;
\n\u5220\u9664\u6570\u636e\u5e93
\nDROP DATABASE guestbook;
\n\u8bbe\u7f6e\u3001\u4fee\u6539\u7ba1\u7406\u5458\u5bc6\u7801
\nSET PASSWORD FOR root@localhost=PASSWORD<‘123456′>;
\n\u67e5\u770b\u7528\u6237\u6743\u9650
\nSHOW GRANTS FOR root@localhost;
\n\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aguestbook\u7684\u6570\u636e\u5e93
\nCREATE DATABASE guestbook;
\n\u5220\u9664\u6570\u636e\u5e93
\nDROP DATABASE guestbook;
\n\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u8868
\nSHOW TABLES;
\n\u590d\u5236\u8868msg\u4ecemessage\u4e2d
\ncreate table msg select * from message;
\n\u67e5\u770b\u8868\u7ed3\u6784
\nDESCRIBE message;
\n\u5220\u9664\u8868
\nDROP table msg2;
\n\u4fee\u6539\u7ed3\u6784\u7528ALTER\u8bed\u53e5
\nmessage\u8868\u4e2d\u589e\u52a0url\u5217
\nALTER TABLE message ADD COLUMN url varchar(50);
\n\u5728username\u7684\u540e\u9762\u589e\u52a0\u4e00\u5217
\nALTER TABLE message ADD COLUMN phone varchar(12) AFTER username;
\n\u63d2\u5165\u8bb0\u5f55
\nINSERT INTO message VALUES<2,’Ling’,’Ling@126.com’,’Hi’,’Hello!’,’2007′,’Ling.org’>;
\n\u66f4\u65b0\u8bb0\u5f55
\nUPDATE message set username=’zht’ where msgid=2;
\n\u5220\u9664\u8bb0\u5f55
\ndelete from message where username=’zht’;<\/p>\n
\u8fde\u63a5\u6570\u636e\u5e93
\nmysql_connect(“localhost”,”root”,”root”);
\n\u9009\u62e9\u6570\u636e\u5e93
\nmysql_select_db(“message”);
\n\u6267\u884cSQL\u8bed\u53e5
\n$exec=”select * from cp”;
\n$result=mysql_query($exec);
\n\u83b7\u53d6\u548c\u663e\u793a\u6570\u636e
\nmysql_result(); \u53d6\u5f97\u7ed3\u679c\u6570\u636e
\nmysql_fetch_row(); \u4ece\u7ed3\u679c\u96c6\u4e2d\u53d6\u5f97\u4e00\u884c\u4f5c\u4e3a\u679a\u4e3e\u6570\u7ec4
\nmysql_fetch_array(); \u4ece\u7ed3\u679c\u96c6\u4e2d\u53d6\u5f97\u4e00\u884c\u4f5c\u4e3a\u5173\u8054\u6570\u7ec4
\nmysql_fetch_assoc(); \u4ece\u7ed3\u679c\u96c6\u4e2d\u53d6\u5f97\u4e00\u884c\u4f5c\u4e3a\u5173\u8054\u6570\u7ec4
\nmysql_fetch_object(); \u4ece\u7ed3\u679c\u96c6\u4e2d\u53d6\u5f97\u4e00\u884c\u4f5c\u4e3a\u5bf9\u8c61<\/p>\n","protected":false},"excerpt":{"rendered":"
\u521b\u5efa\u7528\u6237 CREATE USER YYan@localhost IDENTIFIED BY ‘12 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-236","post","type-post","status-publish","format-standard","hentry","category-my_notes"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=236"}],"version-history":[{"count":2,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/236\/revisions"}],"predecessor-version":[{"id":4848,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/236\/revisions\/4848"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}