{"id":5606,"date":"2024-11-14T12:03:51","date_gmt":"2024-11-14T04:03:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5606\/"},"modified":"2024-11-14T12:03:51","modified_gmt":"2024-11-14T04:03:51","slug":"sql%e5%af%86%e7%a0%81%e5%bc%ba%e5%ba%a6%e6%80%8e%e4%b9%88%e6%94%b9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5606\/","title":{"rendered":"sql\u5bc6\u7801\u5f3a\u5ea6\u600e\u4e48\u6539"},"content":{"rendered":"<blockquote><p>\n  \u4e3a\u4e86\u63d0\u9ad8 sql \u6570\u636e\u5e93\u5b89\u5168\u6027\uff0c\u672c\u6587\u63d0\u4f9b\u4fee\u6539\u5bc6\u7801\u5f3a\u5ea6\u7684\u6307\u5357\uff1a\u786e\u5b9a\u6240\u9700\u5f3a\u5ea6\u7ea7\u522b\uff08\u901a\u5e38\u5305\u62ec\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7279\u6b8a\u5b57\u7b26\uff09\uff1b\u751f\u6210\u5f3a\u5bc6\u7801\uff08\u81f3\u5c11 12 \u4e2a\u5b57\u7b26\uff0c\u590d\u6742\u6027\u9ad8\uff09\uff1b\u4fee\u6539\u5bc6\u7801\uff08\u4f7f\u7528\u6570\u636e\u5e93\u7279\u5b9a\u5de5\u5177\u6216\u547d\u4ee4\uff09\uff1b\u9a8c\u8bc1\u65b0\u5bc6\u7801\uff08\u767b\u5f55\u6570\u636e\u5e93\u5e76\u6267\u884c\u64cd\u4f5c\uff09\uff1b\u6301\u7eed\u7684\u5b89\u5168\u5b9e\u8df5\uff08\u9650\u5236\u8bbf\u95ee\u3001\u76d1\u63a7\u6d3b\u52a8\u3001\u4f7f\u7528 ssl\u3001\u907f\u514d\u5b58\u50a8\u660e\u6587\u5bc6\u7801\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053018485684365.jpg\" class=\"aligncenter\" title=\"sql\u5bc6\u7801\u5f3a\u5ea6\u600e\u4e48\u6539\u63d2\u56fe\" alt=\"sql\u5bc6\u7801\u5f3a\u5ea6\u600e\u4e48\u6539\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u5bc6\u7801\u5f3a\u5ea6\u4fee\u6539\u6307\u5357<\/strong><\/p>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u5b89\u5168\u6027\uff0c\u4fee\u6539 SQL \u5bc6\u7801\u7684\u5f3a\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63d0\u4f9b\u9010\u6b65\u6307\u5357\uff0c\u8bf4\u660e\u5982\u4f55\u4fee\u6539 SQL \u5bc6\u7801\u5f3a\u5ea6\u3002<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u786e\u5b9a\u6240\u9700\u5f3a\u5ea6\u7ea7\u522b<\/strong><\/p>\n<p>\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u5bc6\u7801\u5f3a\u5ea6\u7ea7\u522b\u3002\u8bf7\u53c2\u8003\u6570\u636e\u5e93\u6587\u6863\u4ee5\u786e\u5b9a\u6240\u9700\u7684\u6700\u4f4e\u5f3a\u5ea6\u8981\u6c42\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5bc6\u7801\u9700\u8981\u5305\u542b\uff1a<\/p>\n<ul>\n<li>\u5927\u5c0f\u5199\u5b57\u6bcd<\/li>\n<li>\u6570\u5b57<\/li>\n<li>\u7279\u6b8a\u5b57\u7b26<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4 2\uff1a\u751f\u6210\u5f3a\u5bc6\u7801<\/strong><\/p>\n<p>\u53ef\u4ee5\u624b\u52a8\u751f\u6210\u5f3a\u5bc6\u7801\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5bc6\u7801\u7ba1\u7406\u5668\u5de5\u5177\u3002\u9075\u5faa\u4ee5\u4e0b\u63d0\u793a\u4ee5\u521b\u5efa\u4e00\u4e2a\u5f3a\u5bc6\u7801\uff1a<\/p>\n<ul>\n<li> <strong>\u957f\u5ea6\uff1a<\/strong>\u81f3\u5c11 12 \u4e2a\u5b57\u7b26<\/li>\n<li> <strong>\u590d\u6742\u6027\uff1a<\/strong>\u5305\u542b\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26<\/li>\n<li> <strong>\u907f\u514d\u6a21\u5f0f\uff1a<\/strong>\u4e0d\u8981\u4f7f\u7528\u5e38\u89c1\u5355\u8bcd\u3001\u4e2a\u4eba\u4fe1\u606f\u6216\u5bb9\u6613\u731c\u5230\u7684\u5e8f\u5217<\/li>\n<li> <strong>\u5b9a\u671f\u66f4\u6539\uff1a<\/strong>\u5b9a\u671f\u66f4\u65b0\u5bc6\u7801\uff0c\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4 3\uff1a\u4fee\u6539\u5bc6\u7801<\/strong><\/p>\n<p>\u4fee\u6539 SQL \u5bc6\u7801\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u7279\u5b9a\u7684\u5de5\u5177\u6216\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u548c PostgreSQL \u7684\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\n<p><strong>MySQL\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd0\u884c ALTER USER &#8216;username&#8217;@&#8217;hostname&#8217; IDENTIFIED BY &#8216;new_password&#8217;;<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>PostgreSQL\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd0\u884c ALTER USER username WITH PASSWORD &#8216;new_password&#8217;;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4 4\uff1a\u9a8c\u8bc1\u65b0\u5bc6\u7801<\/strong><\/p>\n<p>\u4fee\u6539\u5bc6\u7801\u540e\uff0c\u9a8c\u8bc1\u65b0\u5bc6\u7801\u662f\u5426\u6709\u6548\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u65b0\u7684\u5bc6\u7801\u767b\u5f55\u6570\u636e\u5e93<\/li>\n<li>\u6267\u884c\u67e5\u8be2\u6216\u66f4\u65b0\u64cd\u4f5c\uff0c\u4ee5\u9a8c\u8bc1\u662f\u5426\u6709\u6743\u9650\u8bbf\u95ee\u6570\u636e\u5e93<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4 5\uff1a\u5b89\u5168\u5b9e\u8df5<\/strong><\/p>\n<p>\u7ef4\u62a4 SQL \u5bc6\u7801\u5f3a\u5ea6\u9700\u8981\u6301\u7eed\u7684\u5b89\u5168\u5b9e\u8df5\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u9650\u5236\u8bbf\u95ee\uff1a<\/strong>\u4ec5\u6388\u4e88\u9700\u8981\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u4eba\u5458\u8bbf\u95ee\u6743\u9650<\/li>\n<li> <strong>\u76d1\u63a7\u6d3b\u52a8\uff1a<\/strong>\u5b9a\u671f\u68c0\u67e5\u6570\u636e\u5e93\u65e5\u5fd7\u4ee5\u67e5\u627e\u53ef\u7591\u6d3b\u52a8<\/li>\n<li> <strong>\u4f7f\u7528 SSL\uff1a<\/strong>\u542f\u7528 SSL \u52a0\u5bc6\u4ee5\u5b89\u5168\u5730\u4f20\u8f93\u5bc6\u7801<\/li>\n<li> <strong>\u907f\u514d\u5b58\u50a8\u660e\u6587\u5bc6\u7801\uff1a<\/strong>\u4e0d\u8981\u5c06\u5bc6\u7801\u5b58\u50a8\u5728\u811a\u672c\u6216\u914d\u7f6e\u6587\u4ef6\u4e2d<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u5bc6\u7801\u5f3a\u5ea6\u600e\u4e48\u6539\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4e86\u63d0\u9ad8 sql \u6570\u636e\u5e93\u5b89\u5168\u6027\uff0c\u672c\u6587\u63d0\u4f9b\u4fee\u6539\u5bc6\u7801\u5f3a\u5ea6\u7684\u6307\u5357\uff1a\u786e\u5b9a\u6240\u9700\u5f3a\u5ea6\u7ea7\u522b\uff08\u901a\u5e38\u5305\u62ec\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7279\u6b8a\u5b57\u7b26\uff09\uff1b\u751f\u6210\u5f3a\u5bc6\u7801\uff08\u81f3\u5c11 12 \u4e2a\u5b57\u7b26\uff0c\u590d\u6742\u6027\u9ad8\uff09\uff1b\u4fee\u6539\u5bc6\u7801\uff08\u4f7f\u7528\u6570\u636e\u5e93\u7279\u5b9a\u5de5\u5177\u6216\u547d\u4ee4\uff09\uff1b\u9a8c\u8bc1\u65b0\u5bc6\u7801\uff08\u767b\u5f55\u6570\u636e\u5e93\u5e76\u6267\u884c\u64cd\u4f5c\uff09\uff1b\u6301\u7eed\u7684\u5b89\u5168\u5b9e\u8df5\uff08\u9650\u5236\u8bbf\u95ee\u3001\u76d1\u63a7\u6d3b\u52a8\u3001\u4f7f\u7528 ssl\u3001\u907f\u514d\u5b58\u50a8\u660e\u6587\u5bc6\u7801\uff09\u3002 SQL \u5bc6\u7801\u5f3a\u5ea6\u4fee\u6539\u6307\u5357 \u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u5b89\u5168\u6027\uff0c\u4fee\u6539 SQL \u5bc6\u7801\u7684\u5f3a\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63d0\u4f9b\u9010\u6b65\u6307\u5357\uff0c\u8bf4\u660e\u5982\u4f55\u4fee\u6539 SQL \u5bc6\u7801\u5f3a\u5ea6\u3002 \u6b65\u9aa4 1\uff1a\u786e\u5b9a\u6240\u9700\u5f3a\u5ea6\u7ea7\u522b \u4e0d\u540c\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u5bc6\u7801\u5f3a\u5ea6\u7ea7\u522b\u3002\u8bf7\u53c2\u8003\u6570\u636e\u5e93\u6587\u6863\u4ee5\u786e\u5b9a\u6240\u9700\u7684\u6700\u4f4e\u5f3a\u5ea6\u8981\u6c42\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5bc6\u7801\u9700\u8981\u5305\u542b\uff1a \u5927\u5c0f\u5199\u5b57\u6bcd \u6570\u5b57 \u7279\u6b8a\u5b57\u7b26 \u6b65\u9aa4 2\uff1a\u751f\u6210\u5f3a\u5bc6\u7801 \u53ef\u4ee5\u624b\u52a8\u751f\u6210\u5f3a\u5bc6\u7801\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5bc6\u7801\u7ba1\u7406\u5668\u5de5\u5177\u3002\u9075\u5faa\u4ee5\u4e0b\u63d0\u793a\u4ee5\u521b\u5efa\u4e00\u4e2a\u5f3a\u5bc6\u7801\uff1a \u957f\u5ea6\uff1a\u81f3\u5c11 12 \u4e2a\u5b57\u7b26 \u590d\u6742\u6027\uff1a\u5305\u542b\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26 \u907f\u514d\u6a21\u5f0f\uff1a\u4e0d\u8981\u4f7f\u7528\u5e38\u89c1\u5355\u8bcd\u3001\u4e2a\u4eba\u4fe1\u606f\u6216\u5bb9\u6613\u731c\u5230\u7684\u5e8f\u5217 \u5b9a\u671f\u66f4\u6539\uff1a\u5b9a\u671f\u66f4\u65b0\u5bc6\u7801\uff0c\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee \u6b65\u9aa4 3\uff1a\u4fee\u6539\u5bc6\u7801 \u4fee\u6539 SQL \u5bc6\u7801\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u7279\u5b9a\u7684\u5de5\u5177\u6216\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u548c PostgreSQL \u7684\u793a\u4f8b\uff1a MySQL\uff1a \u8fd0\u884c ALTER USER &#8216;username&#8217;@&#8217;hostname&#8217; 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