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class=\"wp-block-list\">\n<li><strong>\u5b57\u6bb5\u7c7b\u578b<\/strong>\uff1a\u5b66\u751fID\u7528CHAR(32)\uff08\u56fa\u5b9a\u957f\u5ea6\uff0c\u67e5\u8be2\u5feb\uff09\uff0c\u652f\u4ed8\u91d1\u989d\u7528DECIMAL(10,2)\uff08\u7cbe\u786e\u5230\u5206\uff0c\u907f\u514d\u6d6e\u70b9\u8bef\u5dee\uff09\uff0c\u652f\u4ed8\u72b6\u6001\u7528TINYINT\uff08\u75280\u30011\u30012\u5206\u522b\u4ee3\u8868\u672a\u652f\u4ed8\u3001\u5df2\u652f\u4ed8\u3001\u5df2\u9000\u6b3e\uff0c\u8282\u7701\u7a7a\u95f4\uff09\uff1b<\/li>\n\n\n\n<li><strong>\u7d22\u5f15<\/strong>\uff1a\u7ed9\u201c\u5b66\u751fID\u201d\u201c\u4e0b\u5355\u65f6\u95f4\u201d\u5efa\u7d22\u5f15\uff0c\u56e0\u4e3a\u7ecf\u5e38\u9700\u8981\u67e5\u201c\u67d0\u4e2a\u5b66\u751f\u7684\u6240\u6709\u8ba2\u5355\u201d\u201c\u67d0\u6bb5\u65f6\u95f4\u7684\u8ba2\u5355\u201d\uff1b<\/li>\n\n\n\n<li><strong>\u5206\u533a<\/strong>\uff1a\u5982\u679c\u8ba2\u5355\u6570\u636e\u91cf\u5927\uff0c\u6309\u201c\u4e0b\u5355\u65f6\u95f4\u201d\u5206\u533a\uff0c\u6bd4\u5982\u6bcf\u4e2a\u6708\u4e00\u4e2a\u5206\u533a\uff0c\u67e5\u201c2023\u5e7410\u6708\u7684\u8ba2\u5355\u201d\u65f6\uff0c\u5c31\u4e0d\u7528\u626b\u63cf\u5168\u5e74\u7684\u6570\u636e\uff1b<\/li>\n\n\n\n<li><strong>\u5b58\u50a8\u5f15\u64ce<\/strong>\uff1a\u5982\u679c\u8ba2\u5355\u9700\u8981\u652f\u6301\u4e8b\u52a1\uff08\u6bd4\u5982\u652f\u4ed8\u548c\u66f4\u65b0\u8ba2\u5355\u72b6\u6001\u8981\u540c\u65f6\u6210\u529f\u6216\u5931\u8d25\uff09\uff0c\u5c31\u7528InnoDB\uff1b\u5982\u679c\u662f\u5386\u53f2\u8ba2\u5355\uff0c\u53ea\u7528\u6765\u67e5\u8be2\uff0c\u4e0d\u7528\u9891\u7e41\u4fee\u6539\uff0c\u5c31\u53ef\u4ee5\u7528MyISAM\uff0c\u67e5\u8be2\u66f4\u5feb\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7269\u7406\u6a21\u578b\u662f<strong>\u76f4\u63a5\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u7684\uff1a<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u4e00\u6b65\uff0c\u5fc5\u987b\u7ed3\u5408<strong>\u5177\u4f53\u7684\u4e1a\u52a1\u573a\u666f<\/strong>\u548c<strong>\u6570\u636e\u5e93\u7279\u6027<\/strong>\u6765\u505a\u3002<\/p>\n\n\n\n<p><strong>\u6570\u636e\u5efa\u6a21\u7684\u5e38\u89c1\u8bef\u533a<\/strong><\/p>\n\n\n\n<p>\u6570\u636e\u5efa\u6a21\u8fd9\u4ef6\u4e8b\uff0c\u770b\u7740\u7b80\u5355\uff0c\u5b9e\u9645\u505a\u7684\u65f6\u5019\u5f88\u5bb9\u6613\u6389\u5751\u91cc\u3002\u7528\u8fc7\u6765\u4eba\u7684\u7ecf\u9a8c\u544a\u8bc9\u4f60\uff0c\u8fd9\u51e0\u4e2a\u8bef\u533a\u4e00\u5b9a\u8981\u907f\u5f00\uff1a<\/p>\n\n\n\n<p><strong>1.\u8df3\u8fc7\u6982\u5ff5\u6a21\u578b\uff0c\u76f4\u63a5\u5efa\u8868<\/strong><\/p>\n\n\n\n<p>\u5f88\u591a\u4eba\u89c9\u5f97\u201c\u6982\u5ff5\u6a21\u578b\u592a\u865a\uff0c\u4e0d\u5982\u76f4\u63a5\u5efa\u8868\u6765\u5f97\u5b9e\u5728\u201d\u3002<\/p>\n\n\n\n<p><strong>\u7ed3\u679c\u5462\uff1f<\/strong><\/p>\n\n\n\n<p>\u4e1a\u52a1\u8bf4\u7684\u201c\u8bfe\u7a0b\u201d\u5305\u62ec\u76f4\u64ad\u8bfe\u3001\u5f55\u64ad\u8bfe\uff0c\u6280\u672f\u4e00\u5f00\u59cb\u53ea\u5efa\u4e86\u4e00\u4e2a\u201c\u8bfe\u7a0b\u8868\u201d\u3002<\/p>\n\n\n\n<p><strong>\u540e\u6765\u53d1\u73b0\uff1a<\/strong><\/p>\n\n\n\n<p>\u4e24\u8005\u5c5e\u6027\u5dee\u5f02\u592a\u5927\uff0c\u4e0d\u5f97\u4e0d\u53c8\u5efa\u4e00\u4e2a\u201c\u76f4\u64ad\u8bfe\u8868\u201d\u3002<\/p>\n\n\n\n<p><strong>\u6700\u540e\u67e5\u8be2<\/strong>\u201c\u6240\u6709\u8bfe\u7a0b\u201d\u65f6\uff1a<\/p>\n\n\n\n<p>\u5fc5\u987b\u5173\u8054\u4e24\u5f20\u8868\uff0c\u8fd8\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n\n\n\n<p><strong>\u6240\u4ee5\u8bf4\uff1a<\/strong><\/p>\n\n\n\n<p>\u6982\u5ff5\u6a21\u578b\u770b\u8d77\u6765\u6162\uff0c\u4f46\u80fd<strong>\u5e2e\u4f60\u60f3\u6e05\u695a\u6838\u5fc3\u903b\u8f91<\/strong>\uff0c\u907f\u514d\u540e\u9762\u53cd\u590d\u6539\u3002<\/p>\n\n\n\n<p><strong>2.\u903b\u8f91\u6a21\u578b\u53ea\u5217\u5b57\u6bb5\uff0c\u4e0d\u5199\u89c4\u5219<\/strong><\/p>\n\n\n\n<p>\u6709\u4eba\u8bbe\u8ba1\u903b\u8f91\u6a21\u578b\uff0c\u5c31\u5217\u4e2a\u8868\u540d\u3001\u5b57\u6bb5\u540d\u3001\u7c7b\u578b\uff0c\u81f3\u4e8e\u201c\u8fd9\u4e2a\u5b57\u6bb5\u80fd\u4e0d\u80fd\u7a7a\u201d\u201c\u4e24\u4e2a\u5b57\u6bb5\u4e4b\u95f4\u6709\u6ca1\u6709\u5173\u8054\u201d\u5b8c\u5168\u4e0d\u63d0\u3002<\/p>\n\n\n\n<p><strong>\u7ed3\u679c\u5b9e\u9645\u7528\u7684\u65f6\u5019\uff1a<\/strong><\/p>\n\n\n\n<p>\u5b57\u6bb5\u91cc\u7a7a\u503c\u4e00\u5927\u5806\uff0c\u6216\u8005\u51fa\u73b0\u201c\u652f\u4ed8\u91d1\u989d\u662f\u8d1f\u6570\u201d\u8fd9\u79cd\u660e\u663e\u9519\u8bef\uff0c\u6570\u636e\u6839\u672c\u6ca1\u6cd5\u7528\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8bf4\uff1a<\/p>\n\n\n\n<p><strong>\u903b\u8f91\u6a21\u578b\u4e00\u5b9a\u8981\u628a\u89c4\u5219\u5199\u6e05\u695a<\/strong>\uff0c\u6bd4\u5982\u201c\u624b\u673a\u53f7\u5fc5\u987b\u662f11\u4f4d\u6570\u5b57\u201d\u201c\u8ba2\u5355\u72b6\u6001\u53d8\u66f4\u65f6\u95f4\u4e0d\u80fd\u65e9\u4e8e\u4e0b\u5355\u65f6\u95f4\u201d\u3002<\/p>\n\n\n\n<p><strong>3.\u7269\u7406\u6a21\u578b\u5b8c\u5168\u7167\u6284\u903b\u8f91\u6a21\u578b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u6a21\u578b\u5fc5\u987b<strong>\u8003\u8651\u5b9e\u9645\u7684\u5b58\u50a8\u548c\u67e5\u8be2\u9700\u6c42<\/strong>\uff0c\u6bd4\u5982Hive\u91cc\u53ef\u4ee5\u7528STRING\u7c7b\u578b\u5b58ID\uff0cMySQL\u91cc\u53ef\u80fd\u7528BIGINT\u66f4\u5408\u9002\uff1b<\/li>\n\n\n\n<li><strong>\u9ad8\u9891\u67e5\u8be2<\/strong>\u7684\u5b57\u6bb5\u4e00\u5b9a\u8981\u5efa<strong>\u7d22\u5f15<\/strong>\uff0c\u4e0d\u5e38\u7528\u7684\u5927\u5b57\u6bb5\u53ef\u4ee5\u8003\u8651\u62c6\u5206\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5206\u6790\u578b\u6570\u636e\u8003\u8651\u7ef4\u5ea6\u5efa\u6a21<\/strong><\/p>\n\n\n\n<p>\u524d\u9762\u8bf4\u7684\u662f\u901a\u7528\u7684\u5efa\u6a21\u601d\u8def\uff0c\u5982\u679c\u4f60\u505a\u7684\u662f\u6570\u636e\u5206\u6790\u76f8\u5173\u7684\u6570\u636e\u5efa\u6a21\uff08\u6bd4\u5982\u6570\u636e\u4ed3\u5e93\uff09\uff0c\u90a3<strong>\u7ef4\u5ea6\u5efa\u6a21<\/strong>\u8fd9\u4e2a\u65b9\u6cd5\u4e00\u5b9a\u8981\u4e86\u89e3\u3002<\/p>\n\n\n\n<p>\u5b83\u548cER\u6a21\u578b\u4e0d\u592a\u4e00\u6837\uff0c<strong>\u66f4\u4fa7\u91cd\u201c\u600e\u4e48\u65b9\u4fbf\u505a\u5206\u6790\u201d<\/strong>\u3002<\/p>\n\n\n\n<p><strong>1.\u7ef4\u5ea6\u5efa\u6a21\u7684\u6838\u5fc3\u601d\u8def<\/strong><\/p>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u7ef4\u5ea6\u5efa\u6a21\u5c31\u662f\u56f4\u7ed5\u201c<strong>\u4e1a\u52a1\u8fc7\u7a0b<\/strong>\u201d\uff0c\u628a\u6570\u636e\u5206\u6210\u201c<strong>\u4e8b\u5b9e<\/strong>\u201d\u548c\u201c<strong>\u7ef4\u5ea6<\/strong>\u201d\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<ul 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