{"id":175569,"date":"2024-11-08T06:58:19","date_gmt":"2024-11-07T22:58:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175569\/"},"modified":"2024-11-08T06:58:20","modified_gmt":"2024-11-07T22:58:20","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e5%8d%87mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%81%8b%e8%a1%8c%e6%95%88%e7%8e%87%ef%bc%88c-mssql%e6%95%88%e7%8e%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175569\/","title":{"rendered":"\u5982\u4f55\u63d0\u5347MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\uff08c mssql\u6548\u7387\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%8f%90%e5%8d%87mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%81%8b%e8%a1%8c%e6%95%88%e7%8e%87-EBzzvfjTrh\">\u5982\u4f55\u63d0\u5347MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387<\/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\u3002Microsoft SQL Server\uff08MSSQL\uff09\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u74b0\u5883\u4e2d\u3002\u63d0\u5347MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u9084\u80fd\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\uff0c\u5f9e\u800c\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u63d0\u5347MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-EBzzvfjTrh\">1. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u7684\u5efa\u8b70\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\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u9069\u7576\u7684\u7d22\u5f15\uff0c\u7279\u5225\u662f\u4e3b\u9375\u548c\u5916\u9375\u3002<\/li>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u4f7f\u7528\u5177\u9ad4\u7684\u5217\u540d\u800c\u4e0d\u662fSELECT *\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u4f86\u66ff\u4ee3\u5b50\u67e5\u8a62\uff0c\u56e0\u70baJOIN\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-EBzzvfjTrh\">2. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u9632\u6b62\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\u3002\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/strong>\u7d71\u8a08\u4fe1\u606f\u5e6b\u52a9SQL Server\u751f\u6210\u6700\u4f73\u7684\u67e5\u8a62\u8a08\u5283\u3002\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u78ba\u4fdd\u67e5\u8a62\u8a08\u5283\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<li><strong>\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u904e\u671f\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8-EBzzvfjTrh\">3. \u914d\u7f6e\u6578\u64da\u5eab\u53c3\u6578<\/h2>\n<p>\u9069\u7576\u7684\u6578\u64da\u5eab\u914d\u7f6e\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u5167\u5b58\u914d\u7f6e\uff1a<\/strong>\u78ba\u4fddSQL Server\u6709\u8db3\u5920\u7684\u5167\u5b58\u4f86\u8655\u7406\u67e5\u8a62\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u4f86\u512a\u5316\u5167\u5b58\u4f7f\u7528\u3002<\/li>\n<li><strong>\u914d\u7f6e\u4e26\u884c\u8655\u7406\uff1a<\/strong>\u6839\u64da\u7cfb\u7d71\u7684\u786c\u4ef6\u914d\u7f6e\uff0c\u8abf\u6574\u6700\u5927\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u4e26\u884c\u8655\u7406\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%80%a7%e8%83%bd-EBzzvfjTrh\">4. \u76e3\u63a7\u548c\u5206\u6790\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u63d0\u5347\u6548\u7387\u7684\u95dc\u9375\u3002\u4f7f\u7528SQL Server\u63d0\u4f9b\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982SQL Server Profiler\u548cDynamic Management Views\uff08DMVs\uff09\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8dmv%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-EBzzvfjTrh\">\u793a\u4f8b\uff1a\u4f7f\u7528DMV\u67e5\u8a62\u6027\u80fd<\/h3>\n<pre><code>SELECT TOP 10\n    total_logical_reads,\n    total_logical_writes,\n    execution_count,\n    total_worker_time,\n    total_elapsed_time,\n    sql_handle\nFROM sys.dm_exec_query_stats\nORDER BY total_worker_time DESC;<\/code><\/pre>\n<p>\u4ee5\u4e0a\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u60a8\u627e\u51fa\u6d88\u8017\u6700\u591a\u8cc7\u6e90\u7684\u67e5\u8a62\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"5-%e8%80%83%e6%85%ae%e7%a1%ac%e4%bb%b6%e5%8d%87%e7%b4%9a-EBzzvfjTrh\">5. \u8003\u616e\u786c\u4ef6\u5347\u7d1a<\/h2>\n<p>\u5982\u679c\u7d93\u904e\u512a\u5316\u5f8c\u4ecd\u7136\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u5347\u7d1a\u786c\u4ef6\u3002\u589e\u52a0\u5167\u5b58\u3001\u4f7f\u7528\u66f4\u5feb\u7684\u786c\u789f\uff08\u5982SSD\uff09\u6216\u5347\u7d1aCPU\u90fd\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EBzzvfjTrh\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u5347MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\u9700\u8981\u7d9c\u5408\u8003\u616e\u67e5\u8a62\u512a\u5316\u3001\u5b9a\u671f\u7dad\u8b77\u3001\u914d\u7f6e\u8abf\u6574\u3001\u6027\u80fd\u76e3\u63a7\u4ee5\u53ca\u786c\u4ef6\u5347\u7d1a\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u78ba\u4fdd\u5176\u6578\u64da\u5eab\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\uff0c\u5f9e\u800c\u652f\u6301\u696d\u52d9\u7684\u6301\u7e8c\u589e\u9577\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u63d0\u5347MSSQL\u6578\u64da\u5eab\u904b\u884c\u6548\u7387\u7684\u6709\u6548\u7b56\u7565\uff0c\u512a\u5316\u67e5\u8a62\u3001\u7d22\u5f15\u548c\u914d\u7f6e\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u66f4\u5feb\u901f\u9ad8\u6548\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-175569","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175569","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=175569"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175569\/revisions"}],"predecessor-version":[{"id":175570,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175569\/revisions\/175570"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}