{"id":181368,"date":"2024-11-09T16:28:20","date_gmt":"2024-11-09T08:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181368\/"},"modified":"2024-11-09T16:28:20","modified_gmt":"2024-11-09T08:28:20","slug":"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%ef%bc%9asql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84bit%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%ef%bc%88sql%e6%95%b8%e6%93%9a%e5%ba%abbit%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181368\/","title":{"rendered":"\u6df1\u5165\u6dfa\u51fa\uff1aSQL\u6578\u64da\u5eab\u4e2d\u7684BIT\u6578\u64da\u985e\u578b\uff08sql\u6578\u64da\u5eabbit\u6578\u64da\u985e\u578b\uff09"},"content":{"rendered":"<h1 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id=\"bit%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-mvzJSflIei\">BIT\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>BIT\u6578\u64da\u985e\u578b\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u5ee3\u6cdb\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4f8b\u5b50\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6236\u6b0a\u9650\u7ba1\u7406\uff1a<\/strong>\u5728\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528BIT\u985e\u578b\u4f86\u8868\u793a\u7528\u6236\u662f\u5426\u64c1\u6709\u67d0\u4e9b\u6b0a\u9650\u3002\u4f8b\u5982\uff0c\u662f\u5426\u70ba\u7ba1\u7406\u54e1\u3001\u662f\u5426\u555f\u7528\u5e33\u6236\u7b49\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u9078\u9805\uff1a<\/strong>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u8a31\u591a\u8a2d\u7f6e\u9078\u9805\u53ef\u4ee5\u7528BIT\u985e\u578b\u4f86\u8868\u793a\uff0c\u4f8b\u5982\u662f\u5426\u555f\u7528\u901a\u77e5\u3001\u662f\u5426\u986f\u793a\u5ee3\u544a\u7b49\u3002<\/li>\n<li><strong>\u72c0\u614b\u6a19\u8a18\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528BIT\u985e\u578b\u4f86\u6a19\u8a18\u67d0\u4e9b\u8a18\u9304\u7684\u72c0\u614b\uff0c\u4f8b\u5982\u662f\u5426\u5df2\u8655\u7406\u3001\u662f\u5426\u5df2\u767c\u9001\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8sql%e4%b8%ad%e4%bd%bf%e7%94%a8bit%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-mvzJSflIei\">\u5982\u4f55\u5728SQL\u4e2d\u4f7f\u7528BIT\u6578\u64da\u985e\u578b<\/h2>\n<p>\u5728SQL\u4e2d\u5275\u5efa\u4e00\u500b\u5305\u542bBIT\u6578\u64da\u985e\u578b\u7684\u8868\u683c\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    UserName VARCHAR(50),\n    IsActive BIT\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baUsers\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u500bBIT\u985e\u578b\u7684\u5b57\u6bb5IsActive\uff0c\u7528\u65bc\u8868\u793a\u7528\u6236\u662f\u5426\u6d3b\u8e8d\u3002<\/p>\n<p>\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u9019\u6a23\u64cd\u4f5c\uff1a<\/p>\n<pre><code>INSERT INTO Users (UserID, UserName, IsActive) VALUES (1, 'Alice', 1);\nINSERT INTO Users (UserID, UserName, IsActive) VALUES (2, 'Bob', 0);<\/code><\/pre>\n<p>\u67e5\u8a62\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT UserName, IsActive FROM Users WHERE IsActive = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u6d3b\u8e8d\u7528\u6236\u7684\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mvzJSflIei\">\u7e3d\u7d50<\/h2>\n<p>BIT\u6578\u64da\u985e\u578b\u5728SQL\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u9078\u64c7\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u5b58\u5132\u5e03\u723e\u503c\u548c\u72c0\u614b\u6a19\u8a18\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528BIT\u985e\u578b\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u4fe1\u606f\uff0c\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL\u6578\u64da\u5eab\u4e2d\u7684BIT\u6578\u64da\u985e\u578b\uff0c\u4e86\u89e3\u5176\u7279\u6027\u3001\u7528\u6cd5\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u8f15\u9b06\u638c\u63e1\u6578\u64da\u5b58\u5132\u8207\u8655\u7406\u6280\u5de7\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-181368","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181368","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=181368"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181368\/revisions"}],"predecessor-version":[{"id":181369,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181368\/revisions\/181369"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}