{"id":60197,"date":"2024-10-13T00:51:16","date_gmt":"2024-10-12T16:51:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60197\/"},"modified":"2024-10-13T00:51:16","modified_gmt":"2024-10-12T16:51:16","slug":"c%e8%aa%9e%e8%a8%80%e8%88%87sql2023%e7%9a%84%e9%8f%88%e6%8e%a5%e7%a4%ba%e4%be%8b-%e7%94%a8c%e8%aa%9e%e8%a8%80%e9%8f%88%e6%8e%a5sql2023%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60197\/","title":{"rendered":"C\u8a9e\u8a00\u8207SQL2023\u7684\u93c8\u63a5\u793a\u4f8b (\u7528c\u8a9e\u8a00\u93c8\u63a5sql2023\u6578\u64da\u5eab\u7684\u4f8b\u5b50)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e8%88%87sql2023%e7%9a%84%e9%8f%88%e6%8e%a5%e7%a4%ba%e4%be%8b-qBVDXSHsSy\">C\u8a9e\u8a00\u8207SQL2023\u7684\u93c8\u63a5\u793a\u4f8b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cC\u8a9e\u8a00\u548cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u5169\u7a2e\u975e\u5e38\u91cd\u8981\u7684\u6280\u8853\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7cfb\u7d71\u958b\u767c\u548c\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u800cSQL\u5247\u662f\u7528\u65bc\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u5230SQL2023\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u5177\u9ad4\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87c%e8%aa%9e%e8%a8%80%e8%88%87sql%e7%b5%90%e5%90%88-qBVDXSHsSy\">\u70ba\u4ec0\u9ebc\u9078\u64c7C\u8a9e\u8a00\u8207SQL\u7d50\u5408<\/h2>\n<p>C\u8a9e\u8a00\u7684\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u8a9e\u8a00\u3002\u7576\u9700\u8981\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u6642\uff0cC\u8a9e\u8a00\u53ef\u4ee5\u901a\u904eSQL\u4f86\u5be6\u73fe\u6578\u64da\u7684\u5b58\u53d6\u548c\u64cd\u4f5c\u3002\u9019\u7a2e\u7d50\u5408\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u80fd\u4f7f\u958b\u767c\u8005\u80fd\u5920\u66f4\u597d\u5730\u63a7\u5236\u6578\u64da\u6d41\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-qBVDXSHsSy\">\u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>\u4e00\u500b\u652f\u6301SQL2023\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09<\/li>\n<li>C\u8a9e\u8a00\u7de8\u8b6f\u5668\uff08\u5982GCC\uff09<\/li>\n<li>\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\uff08\u5982MySQL\u7684C API\uff09<\/li>\n<\/ul>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e5%88%b0sql2023%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-qBVDXSHsSy\">\u9023\u63a5\u5230SQL2023\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u5230SQL2023\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%8c%85%e5%90%ab%e5%bf%85%e8%a6%81%e7%9a%84%e9%a0%ad%e6%96%87%e4%bb%b6-qBVDXSHsSy\">1. \u5305\u542b\u5fc5\u8981\u7684\u982d\u6587\u4ef6<\/h3>\n<pre><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;mysql\/mysql.h&gt;\n<\/code><\/pre>\n<h3 id=\"2-%e5%88%9d%e5%a7%8b%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-qBVDXSHsSy\">2. \u521d\u59cb\u5316\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u521d\u59cb\u5316MySQL\u5eab\u4e26\u5275\u5efa\u4e00\u500b\u9023\u63a5\u5c0d\u8c61\uff1a<\/p>\n<pre><code>MYSQL *conn;\nconn = mysql_init(NULL);\n<\/code><\/pre>\n<h3 id=\"3-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-qBVDXSHsSy\">3. \u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u9023\u63a5\u5230\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>if (mysql_real_connect(conn, \"localhost\", \"username\", \"password\", \"database_name\", 0, NULL, 0) == NULL) {\n    fprintf(stderr, \"mysql_real_connect() failedn\");\n    mysql_close(conn);\n    exit(EXIT_FAILURE);\n}\n<\/code><\/pre>\n<h3 id=\"4-%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-qBVDXSHsSy\">4. \u57f7\u884cSQL\u67e5\u8a62<\/h3>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>if (mysql_query(conn, \"SELECT * FROM your_table\")) {\n    fprintf(stderr, \"SELECT * failed. Error: %sn\", mysql_error(conn));\n    mysql_close(conn);\n    exit(EXIT_FAILURE);\n}\n<\/code><\/pre>\n<h3 id=\"5-%e7%8d%b2%e5%8f%96%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-qBVDXSHsSy\">5. \u7372\u53d6\u67e5\u8a62\u7d50\u679c<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u7372\u53d6\u67e5\u8a62\u7d50\u679c\uff1a<\/p>\n<pre><code>MYSQL_RES *res;\nMYSQL_ROW row;\n\nres = mysql_store_result(conn);\nif (res == NULL) {\n    fprintf(stderr, \"mysql_store_result() failed. Error: %sn\", mysql_error(conn));\n    mysql_close(conn);\n    exit(EXIT_FAILURE);\n}\n\nwhile ((row = mysql_fetch_row(res)) != NULL) {\n    printf(\"%sn\", row[0]); \/\/ \u5047\u8a2d\u60a8\u53ea\u60f3\u6253\u5370\u7b2c\u4e00\u5217\n}\nmysql_free_result(res);\n<\/code><\/pre>\n<h3 id=\"6-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-qBVDXSHsSy\">6. \u95dc\u9589\u9023\u63a5<\/h3>\n<p>\u6700\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n<pre><code>mysql_close(conn);\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qBVDXSHsSy\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u5230SQL2023\u6578\u64da\u5eab\uff0c\u4e26\u57f7\u884c\u5404\u7a2e\u6578\u64da\u64cd\u4f5c\u3002\u9019\u7a2e\u6280\u8853\u7684\u7d50\u5408\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u9748\u6d3b\u6027\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u8207SQL2023\u7684\u93c8\u63a5\u793a\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u548c\u64cd\u4f5cSQL2023\u6578\u64da\u5eab\u7684\u5be6\u7528\u7bc4\u4f8b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60197","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60197","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60197"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60197\/revisions"}],"predecessor-version":[{"id":60198,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60197\/revisions\/60198"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}