{"rsdb":{"rid":"301775","subhead":"","postdate":"0","aid":"217021","fid":"57","uid":"1","topic":"1","content":"<p><code>DROP TABLE [IF EXISTS] \u88681,\u88682...\u8868n;<\/code><\/p><br\/><p>\u5229\u7528 <code>UNION<\/code>\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u7ed9\u51fa\u591a\u6761 <code>SELECT<\/code>\u8bed\u53e5\uff0c\u5e76\u5c06\u4ed6\u4eec\u7684\u7ed3\u679c\u7ec4\u5408\u6210\u5355\u4e2a\u7ed3\u679c\u96c6\u3002\u5408\u5e76\u65f6\uff0c\u4e24\u4e2a\u8868\u5bf9\u5e94\u7684\u5217\u6570\u548c\u6570\u636e\u7c7b\u578b\u5fc5\u987b\u76f8\u540c\u3002\u5404\u4e2a <code>SELECT<\/code>\u8bed\u53e5\u4e4b\u95f4\u4f7f\u7528 <code>UNION<\/code>\u6216 <code>UNION ALL<\/code>\u5173\u952e\u5b57\u5206\u5272\u3002 <code>UNION<\/code>\u4e0d\u9002\u7528\u5173\u952e\u5b57 <code>ALL<\/code>\uff0c\u6267\u884c\u7684\u65f6\u5019\u5220\u9664\u91cd\u590d\u7684\u8bb0\u5f55\uff0c\u6240\u6709\u8fd4\u56de\u7684\u884c\u90fd\u662f\u552f\u4e00\u7684\uff1b\u4f7f\u7528\u5173\u952e\u5b57 <code>ALL<\/code>\u7684\u4f5c\u7528\u65f6\u4e0d\u5220\u9664\u91cd\u590d\u884c\u4e5f\u4e0d\u5bf9\u7ed3\u679c\u8fdb\u884c\u81ea\u52a8\u6392\u5e8f\u3002<\/p><br\/><p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\u5e38\u7528\u5b57\u7b26\u5339\u914d\u5217\u8868<\/strong><br \/>|\u9009\u9879|\u8bf4\u660e|<br \/>|:---:|---|<br \/>|<code>^<\/code>|\u5339\u914d\u6587\u672c\u7684\u5f00\u59cb\u5b57\u7b26|<br \/>|<code>$<\/code>|\u5339\u914d\u6587\u672c\u7684\u7ed3\u675f\u5b57\u7b26|<br \/>|<code>.<\/code>|\u5339\u914d\u4efb\u4f55\u5355\u5b50\u7b26|<br \/>|<code>*<\/code>|\u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u5728\u4ed6\u524d\u9762\u7684\u5b57\u7b26|<br \/>|<code>+<\/code>|\u5339\u914d\u524d\u9762\u7684\u5b57\u7b261\u6b21\u6216\u591a\u6b21|<br \/>|<code>&lt;\u5b57\u7b26\u4e32&gt;<\/code>|\u5339\u914d\u4fdd\u62a4\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u7684\u6587\u672c|<br \/>|<code>[\u5b57\u7b26\u96c6\u5408]<\/code>|\u5339\u914d\u5b57\u7b26\u96c6\u5408\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u5b57\u7b26|<br \/>|<code>[^]<\/code>|\u5339\u914d\u4e0d\u5728\u62ec\u53f7\u4e2d\u7684\u4efb\u4f55\u5b57\u7b26|<br \/>|<code>\u5b57\u7b26\u4e32{n,}<\/code>|\u5339\u914d\u524d\u9762\u7684\u5b57\u7b26\u4e32\u81f3\u5c11n\u6b21|<br \/>|<code>\u5b57\u7b26\u4e32{n,m}<\/code>|\u5339\u914d\u524d\u9762\u7684\u5b57\u7b26\u4e32\u81f3\u5c11n\u6b21\uff0c\u81f3\u591am\u6b21|<\/p><br\/>","orderid":"0","title":"MySQL\u6570\u636e\u5e93\u3001\u6570\u636e\u8868\u7684\u57fa\u672c\u64cd\u4f5c\u53ca\u67e5\u8be2\u6570\u636e","smalltitle":"","mid":"0","fname":"\u6570\u636e\u5e93\u7f16\u7a0b","special_id":"0","bak_id":"0","info":"0","hits":"117","pages":"1","comments":"0","posttime":"2019-04-02 22:08:38","list":"1554214118","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=MySQL' target=_blank>MySQL<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%CA%FD%BE%DD%BF%E2' target=_blank>\u6570\u636e\u5e93<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%CA%FD%BE%DD' target=_blank>\u6570\u636e<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%BB%F9%B1%BE%B2%D9%D7%F7' target=_blank>\u57fa\u672c\u64cd\u4f5c<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%B2%E9%D1%AF' target=_blank>\u67e5\u8be2<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"47.106.78.186","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"MySQL\u6570\u636e\u5e93\u3001\u6570\u636e\u8868\u7684\u57fa\u672c\u64cd\u4f5c\u53ca\u67e5\u8be2\u6570\u636e","lastview":"1712958837","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}