{"id":154611,"date":"2024-11-02T17:15:19","date_gmt":"2024-11-02T09:15:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154611\/"},"modified":"2024-11-02T17:15:20","modified_gmt":"2024-11-02T09:15:20","slug":"%e5%b0%8d-sql-server-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%b2%e8%a1%8c%e5%84%aa%e5%8c%96%e7%9a%84%e7%b6%93%e9%a9%97%e7%b8%bd%e7%b5%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154611\/","title":{"rendered":"\u5c0d SQL Server \u6578\u64da\u5eab\u9032\u884c\u512a\u5316\u7684\u7d93\u9a57\u7e3d\u7d50"},"content":{"rendered":"<h1 id=\"%e5%b0%8d-sql-server-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%b2%e8%a1%8c%e5%84%aa%e5%8c%96%e7%9a%84%e7%b6%93%e9%a9%97%e7%b8%bd%e7%b5%90-QaJjsOjzhE\">\u5c0d SQL Server \u6578\u64da\u5eab\u9032\u884c\u512a\u5316\u7684\u7d93\u9a57\u7e3d\u7d50<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002SQL Server \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u56e0\u6b64\uff0c\u5c0d SQL Server \u6578\u64da\u5eab\u9032\u884c\u512a\u5316\u662f\u6bcf\u500b\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u672c\u6587\u5c07\u7e3d\u7d50\u4e00\u4e9b\u6709\u6548\u7684 SQL Server \u512a\u5316\u7d93\u9a57\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-QaJjsOjzhE\">1. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ff SQL Server \u6578\u64da\u5eab\u6574\u9ad4\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u67e5\u8a62\u512a\u5316\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u78ba\u4fdd\u70ba\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5275\u5efa\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4e26\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u907f\u514d SELECT *\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u907f\u514d\u4f7f\u7528 SELECT *\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u6240\u9700\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002<\/li>\n<li><strong>\u4f7f\u7528 JOIN \u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 JOIN \u4f86\u9023\u63a5\u8868\u6bd4\u4f7f\u7528\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-QaJjsOjzhE\">2. \u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u826f\u597d\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u512a\u5316\u7684\u57fa\u790e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u65b9\u9762\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>\u901a\u904e\u6b63\u898f\u5316\u4f86\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u9069\u7576\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u6578\u64da\uff0c\u4f7f\u7528 INT \u800c\u975e BIGINT\u3002<\/li>\n<li><strong>\u5206\u5340\u8868\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-QaJjsOjzhE\">3. \u76e3\u63a7\u548c\u8abf\u6574<\/h2>\n<p>\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u8abf\u6574\u662f\u78ba\u4fdd SQL Server \u6027\u80fd\u7684\u95dc\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76e3\u63a7\u548c\u8abf\u6574\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>\u5229\u7528 SQL Server \u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff08\u5982 SQL Server Profiler \u548c Performance Monitor\uff09\u4f86\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\uff0c\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u8abf\u6574 SQL Server \u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574 SQL Server \u7684\u914d\u7f6e\uff0c\u4f8b\u5982\u5167\u5b58\u5206\u914d\u548c\u6700\u5927\u4e26\u884c\u5ea6\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%ae%89%e5%85%a8%e6%80%a7%e8%88%87%e5%82%99%e4%bb%bd-QaJjsOjzhE\">4. \u5b89\u5168\u6027\u8207\u5099\u4efd<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u5099\u4efd\u7b56\u7565\u540c\u6a23\u91cd\u8981\u3002\u78ba\u4fdd\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u9069\u7576\u7684\u5b89\u5168\u63aa\u65bd\u4f86\u4fdd\u8b77\u6578\u64da\u5eab\u514d\u53d7\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QaJjsOjzhE\">\u7e3d\u7d50<\/h2>\n<p>\u5c0d SQL Server \u6578\u64da\u5eab\u9032\u884c\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u67e5\u8a62\u512a\u5316\u3001\u6578\u64da\u5eab\u8a2d\u8a08\u3001\u76e3\u63a7\u548c\u8abf\u6574\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u5be6\u65bd\u4e0a\u8ff0\u5efa\u8b70\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8 SQL Server \u7684\u6027\u80fd\uff0c\u5f9e\u800c\u652f\u6301\u696d\u52d9\u7684\u589e\u9577\u548c\u767c\u5c55\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7e3d\u7d50SQL Server\u6578\u64da\u5eab\u512a\u5316\u7684\u7d93\u9a57\uff0c\u5206\u4eab\u63d0\u5347\u6027\u80fd\u3001\u6e1b\u5c11\u5ef6\u9072\u548c\u512a\u5316\u67e5\u8a62\u7684\u6709\u6548\u7b56\u7565\u8207\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-154611","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154611","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=154611"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154611\/revisions"}],"predecessor-version":[{"id":154612,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154611\/revisions\/154612"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}