{"id":209766,"date":"2022-08-18T15:18:00","date_gmt":"2022-08-18T07:18:00","guid":{"rendered":"https:\/\/www.keaglegz.com\/209766.html"},"modified":"2026-07-15T06:26:44","modified_gmt":"2026-07-14T22:26:44","slug":"mysql%e8%a1%a8%e7%9a%84%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.dongwubaike.cn\/fanhao\/209766.html","title":{"rendered":"mysql\u8868\u7684\u64cd\u4f5c"},"content":{"rendered":"

\u3000\u3000\u521b\u5efa\u8868<\/span>
\u3000\u3000<\/span>
\u3000\u3000create table \u8868\u540d (\u5217\u540d1 \u6570\u636e\u7c7b\u578b\uff0c\u5217\u540d2 \u6570\u636e\u7c7b\u578b) engine=innodb default charset=utf8;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5b9e\u4f8b\uff1a<\/span>
\u3000\u3000<\/span>
\u3000\u3000#\u521b\u5efa\u8868t1\uff0cid\u5217\u4e3aint\u7c7b\u578b\uff0c\u4e0d\u80fd\u4e3a\u7a7a\u3002\u4e14\u81ea\u589e\uff1bname\u5217\u4e3achar\u7c7b\u578b\uff0c\u4e0d\u8d85\u8fc710\u4e2a\u5b57\u7b26<\/span>
\u3000\u3000<\/span>
\u3000\u3000create table t1(id int not null auto_increment primary key,name char(10));<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u67e5\u770b\u8868\u7684\u7ed3\u6784<\/span>
\u3000\u3000<\/span>
\u3000\u3000desc \u8868\u540d;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5411\u8868\u4e2d\u6dfb\u52a0\u5185\u5bb9(\u589e)<\/span>
\u3000\u3000<\/span>
\u3000\u3000insert into \u8868\u540d(\u5217\u540d1\uff0c\u5217\u540d2) values('\u5185\u5bb91'\uff0c'\u5185\u5bb92') ;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5220\u9664\u8868<\/span>
\u3000\u3000<\/span>
\u3000\u3000drop table \u8868\u540d;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5220\u9664\u5185\u5bb9\uff08\u5220\uff09<\/span>
\u3000\u3000<\/span>
\u3000\u3000delete from \u8868\u540d where \u6761\u4ef6;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5b9e\u4f8b\uff1a<\/span>
\u3000\u3000<\/span>
\u3000\u3000#\u5220\u9664\u8868t1\u4e2did\u5c0f\u4e8e6\u7684<\/span>
\u3000\u3000<\/span>
\u3000\u3000delete from t1 where id<6;<\/span>
\u3000\u3000<\/p>\n

\"\"<\/a><\/p>\n

<\/span>
\u3000\u3000\u6e05\u7a7a\u8868<\/span>
\u3000\u3000<\/span>
\u3000\u3000#\u5982\u679c\u8868\u4e2d\u6709\u81ea\u589e\uff0c\u6e05\u7a7a\u8868\u4e4b\u540e\uff0c\u91cd\u65b0\u521b\u5efa\u65b0\u8868\u65f6\uff0c\u81ea\u589e\u6570\u636e\u4f1a\u63a5\u7740\u4e4b\u524d\u7684<\/span>
\u3000\u3000<\/span>
\u3000\u3000delete from \u8868\u540d;<\/span>
\u3000\u3000\u5b89\u88c5mysql\uff1a<\/span>http:\/\/shujuku.cuohei.com\/
\u3000\u3000#\u5982\u679c\u8868\u4e2d\u6709\u81ea\u589e\uff0c\u6e05\u7a7a\u8868\u4e4b\u540e\uff0c\u91cd\u65b0\u521b\u5efa\u65b0\u8868\u65f6\uff0c\u81ea\u589e\u6570\u636e\u4e0d\u4f1a\u63a5\u7740\u4e4b\u524d\u7684<\/span>
\u3000\u3000<\/span>
\u3000\u3000truncate table \u8868\u540d;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u4fee\u6539\u8868\u4e2d\u5185\u5bb9\uff08\u6539\uff09<\/span>
\u3000\u3000<\/span>
\u3000\u3000updata \u8868\u540d set \u6761\u4ef6 where \u6761\u4ef6;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u5b9e\u4f8b\uff1a#\u628a\u8868t1\u4e2d\u5e74\u9f84\u4e3a17\u7684\u6539\u4e3a18<\/span>
\u3000\u3000<\/span>
\u3000\u3000updata t1 set age=18 where age=17;<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u67e5\u770b\u8868\u7684\u5185\u5bb9\uff08\u67e5\uff09<\/span>
\u3000\u3000<\/span>
\u3000\u3000#\u67e5\u8be2\u6240\u6709\u5217<\/span>
\u3000\u3000<\/span>
\u3000\u3000select * from \u8868\u540d;<\/span>
\u3000\u3000<\/span>
\u3000\u3000#\u67e5\u8be2\u6307\u5b9a\u5217<\/span>
\u3000\u3000<\/span>
\u3000\u3000select \u52171\uff0c\u52172 from \u8868\u540d;<\/span>
\u3000\u3000<\/span>
\u3000\u3000as \u5173\u952e\u5b57<\/span>
\u3000\u3000<\/span>
\u3000\u3000\u4f7f\u7528as\u7ed9\u5b57\u6bb5\u8d77\u522b\u540d<\/span>
\u3000\u3000<\/span>
\u3000\u3000select id as \u5e8f\u53f7,name as \u540d\u5b57 from \u8868\u540d;<\/span> <\/p>\n","protected":false},"excerpt":{"rendered":"

\u3000\u3000\u521b\u5efa\u8868 \u3000\u3000 \u3000\u3000create table \u8868\u540d (\u5217\u540d1 \u6570\u636e\u7c7b\u578b\uff0c\u5217\u540d2 \u6570\u636e\u7c7b\u578b) engine=innodb default charset=utf8; \u3000\u3000 \u3000\u3000\u5b9e\u4f8b\uff1a \u3000\u3000 \u3000\u3000#\u521b\u5efa\u8868t1\uff0cid\u5217\u4e3aint\u7c7b\u578b\uff0c\u4e0d\u80fd\u4e3a\u7a7a\u3002\u4e14 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-209766","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/209766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/comments?post=209766"}],"version-history":[{"count":1,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/209766\/revisions"}],"predecessor-version":[{"id":308290,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/209766\/revisions\/308290"}],"wp:attachment":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/media?parent=209766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/categories?post=209766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/tags?post=209766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}