{"id":76260,"date":"2024-10-16T05:11:16","date_gmt":"2024-10-15T21:11:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76260\/"},"modified":"2024-10-16T05:11:16","modified_gmt":"2024-10-15T21:11:16","slug":"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8select-from-table%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8%e4%b8%ad%e9%81%b8%e6%93%87%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e3%80%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76260\/","title":{"rendered":"MySQL\u5165\u9580\uff1a\u4f7f\u7528SELECT * FROM [table]\u5f9e\u4e00\u500b\u8868\u4e2d\u9078\u64c7\u6240\u6709\u6578\u64da\u3002"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8select-from-table%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8%e4%b8%ad%e9%81%b8%e6%93%87%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-AeiyaTCncN\">MySQL\u5165\u9580\uff1a\u4f7f\u7528SELECT * FROM [table]\u5f9e\u4e00\u500b\u8868\u4e2d\u9078\u64c7\u6240\u6709\u6578\u64da<\/h1>\n<p>MySQL\u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c\u7406\u89e3\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u662f\u5b78\u7fd2MySQL\u7684\u7b2c\u4e00\u6b65\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u57fa\u672c\u7684SQL\u67e5\u8a62\u8a9e\u53e5\uff0c\u7279\u5225\u662f\u4f7f\u7528 <code>SELECT * FROM [table]<\/code> \u4f86\u9078\u64c7\u4e00\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afselect%e8%aa%9e%e5%8f%a5%ef%bc%9f-AeiyaTCncN\">\u4ec0\u9ebc\u662fSELECT\u8a9e\u53e5\uff1f<\/h2>\n<p>\u5728SQL\u4e2d\uff0c<code>SELECT<\/code>\u8a9e\u53e5\u662f\u7528\u4f86\u67e5\u8a62\u6578\u64da\u7684\u4e3b\u8981\u5de5\u5177\u3002\u5b83\u5141\u8a31\u7528\u6236\u5f9e\u4e00\u500b\u6216\u591a\u500b\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\u3002<code>SELECT<\/code>\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name;<\/code><\/pre>\n<p>\u5982\u679c\u5e0c\u671b\u5f9e\u8868\u4e2d\u9078\u64c7\u6240\u6709\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u661f\u865f\uff08<code>*<\/code>\uff09\u4f86\u4ee3\u66ff\u5217\u540d\uff1a<\/p>\n<pre><code>SELECT * FROM table_name;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8select-%e7%9a%84%e6%83%85%e5%a2%83-AeiyaTCncN\">\u4f7f\u7528SELECT *\u7684\u60c5\u5883<\/h2>\n<p>\u4f7f\u7528 <code>SELECT * FROM [table]<\/code> \u7684\u60c5\u5883\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5feb\u901f\u67e5\u770b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002<\/li>\n<li>\u5728\u958b\u767c\u548c\u6e2c\u8a66\u968e\u6bb5\uff0c\u5feb\u901f\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u7576\u4e0d\u78ba\u5b9a\u8868\u4e2d\u6709\u54ea\u4e9b\u5217\u6642\uff0c\u4f7f\u7528\u6b64\u8a9e\u53e5\u53ef\u4ee5\u7372\u5f97\u6240\u6709\u5217\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8%e4%b8%ad%e9%81%b8%e6%93%87%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-AeiyaTCncN\">\u7bc4\u4f8b\uff1a\u5f9e\u4e00\u500b\u8868\u4e2d\u9078\u64c7\u6240\u6709\u6578\u64da<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\uff0c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>+----+----------+-----------+--------+\n| id | name     | position   | salary |\n+----+----------+-----------+--------+\n| 1  | Alice    | Manager    | 60000  |\n| 2  | Bob      | Developer  | 50000  |\n| 3  | Charlie   | Designer   | 45000  |\n+----+----------+-----------+--------+<\/code><\/pre>\n<p>\u8981\u5f9e\u9019\u500b\u8868\u4e2d\u9078\u64c7\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM employees;<\/code><\/pre>\n<p>\u57f7\u884c\u6b64\u67e5\u8a62\u5f8c\uff0c\u5c07\u8fd4\u56de\u6574\u500b <code>employees<\/code> \u8868\u7684\u6240\u6709\u884c\u548c\u5217\uff1a<\/p>\n<pre><code>+----+----------+-----------+--------+\n| id | name     | position   | salary |\n+----+----------+-----------+--------+\n| 1  | Alice    | Manager    | 60000  |\n| 2  | Bob      | Developer  | 50000  |\n| 3  | Charlie   | Designer   | 45000  |\n+----+----------+-----------+--------+<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-AeiyaTCncN\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136\u4f7f\u7528 <code>SELECT * FROM [table]<\/code> \u662f\u4e00\u500b\u65b9\u4fbf\u7684\u9078\u64c7\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u9019\u6a23\u505a\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u7576\u8868\u4e2d\u5305\u542b\u5927\u91cf\u6578\u64da\u6642\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u76e1\u91cf\u907f\u514d\u4f7f\u7528 <code>*<\/code>\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u6240\u9700\u7684\u5217\u3002<\/li>\n<li>\u5982\u679c\u53ea\u9700\u8981\u7279\u5b9a\u7684\u6578\u64da\uff0c\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u4f86\u904e\u6ffe\u7d50\u679c\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u6578\u64da\u5eab\uff0c\u4ee5\u78ba\u4fdd\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AeiyaTCncN\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528 <code>SELECT * FROM [table]<\/code> \u662f\u5b78\u7fd2MySQL\u7684\u57fa\u790e\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u6aa2\u7d22\u6578\u64da\u3002\u7136\u800c\uff0c\u96a8\u8457\u5c0dSQL\u7684\u6df1\u5165\u4e86\u89e3\uff0c\u5efa\u8b70\u7528\u6236\u9010\u6f38\u8f49\u5411\u66f4\u5177\u91dd\u5c0d\u6027\u7684\u67e5\u8a62\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u6258\u7ba1\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2MySQL\u5165\u9580\uff0c\u638c\u63e1\u5982\u4f55\u4f7f\u7528SELECT * FROM [table]\u5f9e\u4e00\u500b\u8868\u4e2d\u9078\u64c7\u6240\u6709\u6578\u64da\uff0c\u8f15\u9b06\u7ba1\u7406\u8cc7\u6599\u5eab\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76260","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76260"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76260\/revisions"}],"predecessor-version":[{"id":76261,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76260\/revisions\/76261"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}