{"id":165867,"date":"2024-11-05T13:30:21","date_gmt":"2024-11-05T05:30:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165867\/"},"modified":"2024-11-05T13:30:21","modified_gmt":"2024-11-05T05:30:21","slug":"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%8a%80%e5%b7%a7%e8%a7%a3%e6%9e%90-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e8%a1%a8%e6%a0%bc%e5%80%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165867\/","title":{"rendered":"\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u6578\u64da\u985e\u578b\u6280\u5de7\u89e3\u6790 (\u5982\u4f55\u67e5\u770b\u8868\u683c\u500b\u6578\u64da\u5eab\u6578\u64da\u985e\u578b)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%8a%80%e5%b7%a7%e8%a7%a3%e6%9e%90-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e8%a1%a8%e6%a0%bc%e5%80%8b-utCGgujxeY\">\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u6578\u64da\u985e\u578b\u6280\u5de7\u89e3\u6790 (\u5982\u4f55\u67e5\u770b\u8868\u683c\u500b\u6578\u64da\u5eab\u6578\u64da\u985e\u578b)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u6578\u64da\u985e\u578b\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u6578\u64da\u985e\u578b\u6c7a\u5b9a\u4e86\u6578\u64da\u7684\u5b58\u5132\u65b9\u5f0f\u3001\u53ef\u7528\u7684\u64cd\u4f5c\u4ee5\u53ca\u6027\u80fd\u512a\u5316\u7684\u53ef\u80fd\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u985e\u578b\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%ef%bc%9f-utCGgujxeY\">\u4ec0\u9ebc\u662f\u6578\u64da\u985e\u578b\uff1f<\/h2>\n<p>\u6578\u64da\u985e\u578b\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u6578\u64da\u7684\u985e\u5225\u3002\u6bcf\u500b\u6578\u64da\u985e\u578b\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5c6c\u6027\u548c\u9650\u5236\u3002\u5e38\u898b\u7684\u6578\u64da\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u6578\u985e\u578b\uff1a<\/strong>\u5982 INT\u3001BIGINT\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u6574\u6578\u503c\u3002<\/li>\n<li><strong>\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/strong>\u5982 FLOAT\u3001DOUBLE\uff0c\u9069\u5408\u5b58\u5132\u5e36\u5c0f\u6578\u7684\u6578\u503c\u3002<\/li>\n<li><strong>\u5b57\u7b26\u985e\u578b\uff1a<\/strong>\u5982 CHAR\u3001VARCHAR\uff0c\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u6587\u672c\u6578\u64da\u3002<\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\uff1a<\/strong>\u5982 DATE\u3001DATETIME\uff0c\u5c08\u9580\u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-utCGgujxeY\">\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u985e\u578b<\/h2>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u65b9\u5f0f\u4f86\u67e5\u8a62\u6578\u64da\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u67e5\u8a62\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-mysql-utCGgujxeY\">1. MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7279\u5b9a\u8868\u683c\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>SHOW COLUMNS FROM \u8868\u540d;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u8868\u683c\u4e2d\u6bcf\u4e00\u5217\u7684\u540d\u7a31\u3001\u6578\u64da\u985e\u578b\u3001\u662f\u5426\u53ef\u4ee5\u70ba NULL \u4ee5\u53ca\u5176\u4ed6\u5c6c\u6027\u3002<\/p>\n<h3 id=\"2-postgresql-utCGgujxeY\">2. PostgreSQL<\/h3>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u8868\u683c\u7684\u7d50\u69cb\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT column_name, data_type \nFROM information_schema.columns \nWHERE table_name = '\u8868\u540d';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6307\u5b9a\u8868\u683c\u4e2d\u6240\u6709\u5217\u7684\u540d\u7a31\u53ca\u5176\u5c0d\u61c9\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h3 id=\"3-sql-server-utCGgujxeY\">3. SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u8868\u683c\u7684\u5217\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT COLUMN_NAME, DATA_TYPE \nFROM INFORMATION_SCHEMA.COLUMNS \nWHERE TABLE_NAME = '\u8868\u540d';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u5217\u51fa\u6307\u5b9a\u8868\u683c\u4e2d\u6240\u6709\u5217\u7684\u540d\u7a31\u548c\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%b7%a5%e5%85%b7%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-utCGgujxeY\">\u4f7f\u7528\u5de5\u5177\u67e5\u770b\u6578\u64da\u985e\u578b<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 SQL \u67e5\u8a62\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5716\u5f62\u5316\u5de5\u5177\u4f86\u67e5\u770b\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>phpMyAdmin\uff1a<\/strong>\u9019\u662f\u4e00\u500b\u6d41\u884c\u7684 MySQL \u7ba1\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u76f4\u89c0\u7684\u754c\u9762\u4f86\u67e5\u770b\u8868\u683c\u7d50\u69cb\u548c\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>pgAdmin\uff1a<\/strong>\u9019\u662f PostgreSQL \u7684\u5b98\u65b9\u7ba1\u7406\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u8f15\u9b06\u67e5\u770b\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/li>\n<li><strong>SQL Server Management Studio (SSMS)\uff1a<\/strong>\u9019\u662f SQL Server \u7684\u5b98\u65b9\u7ba1\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u529f\u80fd\u4f86\u67e5\u770b\u548c\u7de8\u8f2f\u6578\u64da\u5eab\u5c0d\u8c61\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-utCGgujxeY\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3\u5982\u4f55\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u958b\u767c\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u901a\u904e SQL \u67e5\u8a62\u9084\u662f\u4f7f\u7528\u5716\u5f62\u5316\u5de5\u5177\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u5feb\u901f\u67e5\u8a62\u6578\u64da\u5eab\u6578\u64da\u985e\u578b\u7684\u6280\u5de7\uff0c\u8f15\u9b06\u67e5\u770b\u8868\u683c\u4e2d\u7684\u6578\u64da\u985e\u578b\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-165867","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165867","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=165867"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165867\/revisions"}],"predecessor-version":[{"id":165868,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165867\/revisions\/165868"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}