{"id":152479,"date":"2024-11-01T23:22:20","date_gmt":"2024-11-01T15:22:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152479\/"},"modified":"2024-11-01T23:22:21","modified_gmt":"2024-11-01T15:22:21","slug":"%e6%9f%a5%e7%9c%8b-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152479\/","title":{"rendered":"\u67e5\u770b MySQL \u6578\u64da\u5eab\u7684\u547d\u4ee4"},"content":{"rendered":"<h1 id=\"%e6%9f%a5%e7%9c%8b-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%91%bd%e4%bb%a4-AzbUKnSBVM\">\u67e5\u770b MySQL \u6578\u64da\u5eab\u7684\u547d\u4ee4<\/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\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0cMySQL \u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b\u5e38\u7528\u7684 MySQL \u6578\u64da\u5eab\u547d\u4ee4\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e5%88%b0-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-AzbUKnSBVM\">\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab<\/h2>\n<p>\u5728\u4f7f\u7528 MySQL \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u9023\u63a5\uff1a<\/p>\n<pre><code>mysql -u \u7528\u6236\u540d -p\n<\/code><\/pre>\n<p>\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0c\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u8f38\u5165\u5bc6\u78bc\u3002\u6210\u529f\u767b\u9304\u5f8c\uff0c\u60a8\u5c07\u9032\u5165 MySQL \u547d\u4ee4\u884c\u754c\u9762\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab-AzbUKnSBVM\">\u67e5\u770b\u6578\u64da\u5eab<\/h2>\n<p>\u9023\u63a5\u5230 MySQL \u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u7684\u6578\u64da\u5eab\u5217\u8868\uff1a<\/p>\n<pre><code>SHOW DATABASES;\n<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u53ef\u7528\u7684\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u60f3\u9078\u64c7\u4e00\u500b\u7279\u5b9a\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>USE \u6578\u64da\u5eab\u540d\u7a31;\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e8%a1%a8-AzbUKnSBVM\">\u67e5\u770b\u6578\u64da\u8868<\/h2>\n<p>\u9078\u64c7\u6578\u64da\u5eab\u5f8c\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u8a72\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u6578\u64da\u8868\uff1a<\/p>\n<pre><code>SHOW TABLES;\n<\/code><\/pre>\n<p>\u9019\u5c07\u5217\u51fa\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u683c\u3002\u5982\u679c\u60a8\u60f3\u67e5\u770b\u67d0\u500b\u7279\u5b9a\u8868\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>DESCRIBE \u8868\u540d\u7a31;\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-AzbUKnSBVM\">\u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u8981\u5f9e\u6578\u64da\u8868\u4e2d\u67e5\u8a62\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 SELECT \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d\u7a31;\n<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8a72\u8868\u4e2d\u7684\u6240\u6709\u884c\u548c\u5217\u3002\u5982\u679c\u60a8\u53ea\u60f3\u67e5\u8a62\u7279\u5b9a\u7684\u5217\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT \u52171, \u52172 FROM \u8868\u540d\u7a31;\n<\/code><\/pre>\n<h2 id=\"%e9%81%8e%e6%bf%be%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-AzbUKnSBVM\">\u904e\u6ffe\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 WHERE \u5b50\u53e5\u4f86\u904e\u6ffe\u67e5\u8a62\u7d50\u679c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u67e5\u8a62\u67d0\u500b\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d\u7a31 WHERE \u689d\u4ef6;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;\n<\/code><\/pre>\n<h2 id=\"%e6%8e%92%e5%ba%8f%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-AzbUKnSBVM\">\u6392\u5e8f\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u8981\u5c0d\u67e5\u8a62\u7d50\u679c\u9032\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u3002\u4ee5\u4e0b\u662f\u6309\u67d0\u5217\u5347\u5e8f\u6392\u5e8f\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d\u7a31 ORDER BY \u5217\u540d\u7a31 ASC;\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u6309\u964d\u5e8f\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528 DESC\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d\u7a31 ORDER BY \u5217\u540d\u7a31 DESC;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AzbUKnSBVM\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86 MySQL \u6578\u64da\u5eab\u7684\u4e00\u4e9b\u57fa\u672c\u547d\u4ee4\uff0c\u5305\u62ec\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u3001\u67e5\u770b\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u3001\u67e5\u8a62\u6578\u64da\u4ee5\u53ca\u904e\u6ffe\u548c\u6392\u5e8f\u67e5\u8a62\u7d50\u679c\u3002\u9019\u4e9b\u547d\u4ee4\u662f\u7ba1\u7406 MySQL \u6578\u64da\u5eab\u7684\u57fa\u790e\uff0c\u638c\u63e1\u5b83\u5011\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e0a\u8f15\u9b06\u904b\u884c MySQL \u6578\u64da\u5eab\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u67e5\u770b MySQL \u6578\u64da\u5eab\uff0c\u638c\u63e1\u57fa\u672c\u67e5\u8a62\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\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-152479","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152479","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=152479"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152479\/revisions"}],"predecessor-version":[{"id":152480,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152479\/revisions\/152480"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}