{"id":138439,"date":"2024-10-31T14:29:20","date_gmt":"2024-10-31T06:29:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138439\/"},"modified":"2024-10-31T14:29:21","modified_gmt":"2024-10-31T06:29:21","slug":"sql-server%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6%e6%85%a2%e7%9a%84%e5%8d%81%e5%a4%a7%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138439\/","title":{"rendered":"SQL Server\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u5341\u5927\u539f\u56e0"},"content":{"rendered":"

SQL Server\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u5341\u5927\u539f\u56e0<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL Server\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\u548c\u67e5\u8a62\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u8a31\u591a\u7528\u6236\u53ef\u80fd\u6703\u9047\u5230\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u5341\u5927\u539f\u56e0\uff0c\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u4e26\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002<\/p>\n

1. \u4e0d\u826f\u7684\u67e5\u8a62\u8a2d\u8a08<\/h2>\n

\u67e5\u8a62\u7684\u8a2d\u8a08\u5c0d\u6027\u80fd\u6709\u8457\u76f4\u63a5\u5f71\u97ff\u3002\u8907\u96dc\u7684\u67e5\u8a62\u3001\u904e\u591a\u7684\u806f\u63a5\u6216\u4e0d\u5fc5\u8981\u7684\u5b50\u67e5\u8a62\u90fd\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u5efa\u8b70\u4f7f\u7528\u7c21\u55ae\u7684\u67e5\u8a62\uff0c\u4e26\u907f\u514d\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u6240\u9700\u7684\u5217\u3002<\/p>\n

2. \u7f3a\u4e4f\u7d22\u5f15<\/h2>\n

\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u5982\u679c\u8868\u4e2d\u7f3a\u4e4f\u9069\u7576\u7684\u7d22\u5f15\uff0cSQL Server\u5c07\u9700\u8981\u9032\u884c\u5168\u8868\u6383\u63cf\uff0c\u9019\u6703\u986f\u8457\u964d\u4f4e\u67e5\u8a62\u901f\u5ea6\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u7d22\u5f15\u662f\u5fc5\u8981\u7684\uff0c\u4e26\u6839\u64da\u67e5\u8a62\u6a21\u5f0f\u5275\u5efa\u5408\u9069\u7684\u7d22\u5f15\u3002<\/p>\n

3. \u7d22\u5f15\u788e\u7247\u5316<\/h2>\n

\u96a8\u8457\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\u3002\u788e\u7247\u5316\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u6b64\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u6aa2\u67e5\u7d22\u5f15\u788e\u7247\u5316\u7a0b\u5ea6\uff1a<\/p>\n

SELECT \n    DB_NAME(database_id) AS DatabaseName, \n    OBJECT_NAME(object_id) AS TableName, \n    index_id, \n    name AS IndexName, \n    avg_fragmentation_in_percent \nFROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, NULL)\nWHERE avg_fragmentation_in_percent > 10;<\/code><\/pre>\n
4. \u9396\u5b9a\u548c\u963b\u585e<\/h2>\n
\u7576\u591a\u500b\u67e5\u8a62\u540c\u6642\u8a2a\u554f\u76f8\u540c\u7684\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u767c\u751f\u9396\u5b9a\u548c\u963b\u585e\u3002\u9019\u6703\u5c0e\u81f4\u67e5\u8a62\u7b49\u5f85\u6642\u9593\u589e\u52a0\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002\u4f7f\u7528SQL Server\u7684\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff08DMV\uff09\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u9396\u5b9a\u548c\u963b\u585e\u60c5\u6cc1\u3002<\/p>\n
5. \u4e0d\u7576\u7684\u6578\u64da\u985e\u578b<\/h2>\n
\u4f7f\u7528\u4e0d\u7576\u7684\u6578\u64da\u985e\u578b\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u4f8b\u5982\uff0c\u5c07\u6574\u6578\u985e\u578b\u7684\u5217\u8a2d\u7f6e\u70baVARCHAR\u985e\u578b\u6703\u589e\u52a0\u5b58\u5132\u9700\u6c42\u4e26\u964d\u4f4e\u67e5\u8a62\u901f\u5ea6\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
6. \u5927\u91cf\u7684\u6578\u64da\u8fd4\u56de<\/h2>\n
\u67e5\u8a62\u8fd4\u56de\u5927\u91cf\u6578\u64da\u6642\uff0c\u6703\u6d88\u8017\u66f4\u591a\u7684\u5167\u5b58\u548c\u7db2\u7d61\u5e36\u5bec\u3002\u61c9\u8003\u616e\u4f7f\u7528\u5206\u9801\u6280\u8853\u6216\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
7. \u4e0d\u5408\u7406\u7684\u914d\u7f6e\u8a2d\u7f6e<\/h2>\n
SQL Server\u7684\u914d\u7f6e\u8a2d\u7f6e\u5c0d\u6027\u80fd\u6709\u91cd\u8981\u5f71\u97ff\u3002\u4f8b\u5982\uff0c\u5167\u5b58\u5206\u914d\u3001\u6700\u5927\u4e26\u884c\u5ea6\u7b49\u8a2d\u7f6e\u4e0d\u7576\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574\u9019\u4e9b\u8a2d\u7f6e\u662f\u5fc5\u8981\u7684\u3002<\/p>\n
8. \u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3<\/h2>\n
\u5982\u679c\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u8cc7\u6e90\uff08\u5982CPU\u3001\u5167\u5b58\u3001\u78c1\u789fI\/O\uff09\u4e0d\u8db3\uff0c\u5c07\u7121\u6cd5\u652f\u6301\u9ad8\u6548\u7684\u67e5\u8a62\u57f7\u884c\u3002\u76e3\u63a7\u4f3a\u670d\u5668\u6027\u80fd\uff0c\u4e26\u6839\u64da\u9700\u8981\u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90\u3002<\/p>\n
9. \u7248\u672c\u548c\u66f4\u65b0\u554f\u984c<\/h2>\n
\u4f7f\u7528\u904e\u6642\u7684SQL Server\u7248\u672c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u5b9a\u671f\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u53ef\u4ee5\u7372\u5f97\u6027\u80fd\u6539\u9032\u548c\u65b0\u529f\u80fd\u3002<\/p>\n
10. \u4e0d\u7576\u7684\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n
\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u7d50\u69cb\u5c0d\u6027\u80fd\u6709\u8457\u6df1\u9060\u7684\u5f71\u97ff\u3002\u6b63\u898f\u5316\u904e\u5ea6\u6216\u4e0d\u8db3\u90fd\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u61c9\u8a72\u5e73\u8861\u6b63\u898f\u5316\u548c\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u4e86\u89e3SQL Server\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u539f\u56e0\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\u7684\u7b2c\u4e00\u6b65\u3002\u901a\u904e\u512a\u5316\u67e5\u8a62\u8a2d\u8a08\u3001\u7dad\u8b77\u7d22\u5f15\u3001\u5408\u7406\u914d\u7f6e\u786c\u9ad4\u8cc7\u6e90\u7b49\u63aa\u65bd\uff0c\u53ef\u4ee5\u986f\u8457\u6539\u5584\u67e5\u8a62\u901f\u5ea6\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0c\u78ba\u4fdd\u60a8\u7684\u696d\u52d9\u904b\u884c\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22SQL Server\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u5341\u5927\u539f\u56e0\uff0c\u4e86\u89e3\u6027\u80fd\u74f6\u9838\u53ca\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\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-138439","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138439","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=138439"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138439\/revisions"}],"predecessor-version":[{"id":138440,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138439\/revisions\/138440"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}