{"id":1794,"date":"2024-07-15T16:28:49","date_gmt":"2024-07-15T08:28:49","guid":{"rendered":"http:\/\/www.jh1999.cn\/?p=1794"},"modified":"2024-07-16T14:42:35","modified_gmt":"2024-07-16T06:42:35","slug":"sqlserver2008r2%e7%9a%84%e7%b4%a2%e5%bc%95%e7%bb%b4%e6%8a%a4","status":"publish","type":"post","link":"http:\/\/www.jh1999.cn\/?p=1794","title":{"rendered":"SqlServer2008R2\u7684\u7d22\u5f15"},"content":{"rendered":"
\n\n

SQL Server\u7684\u7d22\u5f15\uff0c\u662f\u4e0e\u8868\u6216\u89c6\u56fe\u5173\u8054\u7684\u78c1\u76d8\u4e0a\u7ed3\u6784\uff0c\u53ef\u4ee5\u52a0\u5feb\u4ece\u8868\u6216\u89c6\u56fe\u4e2d\u68c0\u7d22\u884c\u7684\u901f\u5ea6\uff0c\u7c7b\u4f3c\u6211\u4eec\u5e38\u89c1\u7eb8\u8d28\u4e66\u7c4d\u4e2d\u7684\u76ee\u5f55\u3002<\/p>\n\n\n\n

\u521b\u5efa\u7d22\u5f15\u6700\u5e38\u89c1\u7684\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n

    \n
  1. \u8bb0\u5f55\u65e5\u5fd7\u4ee5\u53ca\u8bb0\u5f55\u4ea4\u6613\u7684\u6570\u636e\u8868\uff0c\u5e94\u8be5\u521b\u5efa\u4e00\u4e2a\u8bb0\u5f55ID\u7684\u680f\u4f4d\uff0c\u5e76\u4ee5\u5b83\u4e3a\u4e3b\u7d22\u5f15\u952e\u3002<\/li>\n\n\n\n
  2. \u5c0f\u7684\u6570\u636e\u8868\uff0c\u5c31\u4e0d\u5efa\u7d22\u5f15\u4e86\u3002\u5982\u679c\u9700\u8981\u552f\u4e00\u6027\u5c31\u5efa\u201c\u68c0\u67e5\u7ea6\u675f\u201d\u3002<\/li>\n\n\n\n
  3. \u4e3b\u6863\u7c7b\u7684\u6570\u636e\u8868\uff0c\u4f8b\u5982\u7269\u9879\u4e3b\u6863\uff0c\u5ba2\u6237\u4e3b\u6863\u7b49\uff0c\u5b81\u53ef\u591a\u5efa\u51e0\u4e2a\u7d22\u5f15\uff0c\u800c\u4e0d\u8981\u5728\u4e00\u4e2a\u7d22\u5f15\u91cc\u6709\u8fc7\u591a\u7684\u680f\u4f4d\u3002<\/li>\n\n\n\n
  4. \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7d22\u5f15\u5b58\u50a8\u5728\u57fa\u8868\u6240\u5728\u7684\u6587\u4ef6\u7ec4\u4e0a\uff0c\u4e3a\u4e86\u63d0\u9ad8\u7d22\u5f15\u7684\u6548\u7387\uff0c\u53ef\u4ee5\u628a\u7d22\u5f15\u5b58\u5230\u5355\u72ec\u7684\u6587\u4ef6\u7ec4\u4e0a\uff0c\u5355\u72ec\u6587\u4ef6\u7ec4\u4e0e\u57fa\u672c\u6587\u4ef6\u7ec4(PRIMARY)\u4e0d\u8981\u5728\u540c\u4e00\u4e2a\u7269\u6599\u78c1\u76d8\u4e0a\uff0c\u5982\u6b64\uff0c\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u4e00\u6b21\u64cd\u4f5c\uff0c\u5c31\u6709\u591a\u4e2a\u7269\u7406\u78c1\u76d8\u901a\u529b\u5408\u4f5c\uff0c\u6548\u7387\u5f97\u5230\u63d0\u5347\u3002<\/li>\n\n\n\n
  5. \u521b\u5efa\u7d22\u5f15\u65f6\uff0c\u586b\u5145\u56e0\u5b50(Fill Factor)\u9ed8\u8ba4\u662f0\u3002\u5982\u679c\u8be5\u8868\u8be5\u7d22\u5f15\u4f1a\u9891\u7e41\u88ab\u4fee\u6539\uff0c\u5c31\u5e94\u8be5\u6839\u636e\u8bfb\u5199\u6bd4\u4f8b\u8bbe\u5b9a\u4e00\u4e2a\u767e\u4efd\u6bd4\uff0c\u4e00\u822c\u5efa\u8bae80% — 95%\u3002\u610f\u601d\u662f\uff0c\u521b\u5efa\u7d22\u5f15\u65f6\uff0c\u7d22\u5f15\u9875\u91cc\u7684\u8d44\u6599\u53ea\u536080%\uff0c\u8fd8\u7559\u670920%\u7684\u7a7a\u95f4\u7ed9\u5c06\u6765\u63d2\u5165\u8bb0\u5f55\u7684\u7d22\u5f15\u7528\uff0c\u5982\u6b64\uff0c\u907f\u514d\u9891\u7e41\u589e\u52a0\u7d22\u5f15\u9875\uff0c\u4e5f\u51cf\u5c11\u788e\u7247\u7684\u4ea7\u751f\u3002\u9700\u8981\u7559\u610f\u7684\u662f\uff0c\u589e\u52a0\u586b\u5145\u56e0\u5b50\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u5360\u7528\u78c1\u76d8\u7684\u7a7a\u95f4\u589e\u5927\u3002<\/li>\n\n\n\n
  6. \u5173\u4e8e\u586b\u5145\u56e0\u5b50\uff0cSQL2008R2\u8fd8\u6709\u4e00\u70b9\u8981\u7279\u522b\u6ce8\u610f\u3002\u6267\u884c\u91cd\u7d22\u5f15\u547d\u4ee4\u65f6\uff0cFill Facor\u53c2\u6570\u6307\u8d44\u6599\u5360\u9875\u9762\u767e\u5206\u6bd4\uff0c\u800c\u7528\u7ef4\u62a4\u8ba1\u5212\u5411\u5bfc\u521b\u5efa\u91cd\u65b0\u7d22\u5f15\u4efb\u52a1\u65f6\uff0c\u53ef\u7528\u7a7a\u95f4\u9009\u9879\u201c\u5c06\u6bcf\u9875\u7684\u53ef\u7528\u7a7a\u95f4\u767e\u5206\u6bd4\u66f4\u6539\u4e3a\u201d\u8fd9\u4e2a\u503c\uff0c\u5374\u662f\u4e0eFill Facor\u76f8\u53cd\u7684\uff0c\u5373\u60f3\u8981\u7684 FillFactor = 100 – \u767e\u5206\u6bd4\u3002<\/li>\n<\/ol>\n\n\n\n

    \u6570\u636e\u5e93\u7684\u7d22\u5f15\u6863\uff0c\u9700\u8981\u5b9a\u671f\u7ef4\u62a4\uff0c\u901a\u5e38\u501f\u52a9SqlServer\u7684\u3010\u7ef4\u62a4\u8ba1\u5212\u3011\u6765\u5b9e\u73b0\u3002\u9664\u4e86\u91cd\u5efa\u7d22\u5f15\uff0c\u201c\u68c0\u67e5\u6570\u636e\u5e93\u5b8c\u6574\u6027\u201d\u201c\u6536\u7f29\u6570\u636e\u5e93\u201d\u201c\u91cd\u65b0\u7ec4\u7ec7\u7d22\u5f15\/\u91cd\u65b0\u751f\u6210\u7d22\u5f15\u201d\u201c\u5907\u4efd\u6570\u636e\u5e93\u201d\u662f\u7ef4\u62a4\u8ba1\u5212\u4e2d\u7684\u5e38\u89c4\u56db\u4ef6\u5957\u3002<\/p>\n\n\n\n

    \u91cd\u65b0\u7ec4\u7ec7\u7d22\u5f15 \u4e0e \u91cd\u65b0\u751f\u6210\u7d22\u5f15\u7684\u533a\u522b\uff1a\u524d\u8005\u5728\u7ebf\u6267\u884c\uff0c\u524d\u7aef\u53ef\u4ee5\u7ee7\u7eed\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u540e\u8005\u4e00\u822c\u662f\u79bb\u7ebf\u64cd\u4f5c\uff0c\u524d\u7aef\u4e0d\u80fd\u8bbf\u95ee\u6570\u636e\u5e93\u3002\u540e\u8005\u91cd\u7d22\u5f15\u66f4\u5f7b\u5e95\uff0c\u6ca1\u6709\u788e\u7247\u3002\u6240\u4ee5\uff0c\u591c\u95f4\u5b9a\u671f\u7ef4\u62a4\u5efa\u8bae\u7528\u201c\u91cd\u65b0\u751f\u6210\u7d22\u5f15\u201d\uff0c\u4e00\u5468\u4e00\u6b21\u5c31\u591f\u7528\u4e86\u3002<\/p>\n\n\n\n

    \u4e0e\u7d22\u5f15\u76f8\u5173\u7684\u5e38\u7528\u547d\u4ee4\uff0c\u5176\u4e2d \u201cjhERP\u201d\u4e3a\u6570\u636e\u5e93\u540d\uff0c\u201cenBOM\u201d\u4e3a\u6570\u636e\u8868\u540d\uff1a<\/p>\n\n\n\n

    \/\/\u91cd\u5efaenBOM\u8868\u7684\u5168\u90e8\u7d22\u5f15\ndbcc dbreindex(enBOM)\n\n\/\/\u4ee595%\u4e3a\u586b\u5145\u56e0\u5b50\u91cd\u5efaenBOM\u8868\u7684\u4e3b\u7d22\u5f15\ndbcc dbreindex(enBOM,'PK_enBOM',95)\n\n\/\/\u4ee595%\u4e3a\u586b\u5145\u56e0\u5b50\u91cd\u5efaenBOM\u8868\u7684\u5168\u90e8\u7d22\u5f15\ndbcc dbreindex(enBOM,' ',95)\n\n\/\/\u6574\u7406\u5f53\u5e93\u8868\u4e2denBOM\u8868\u7684\u7d22\u5f15\u788e\u7247\uff0c\u65b0\u7248SQL\u5c06\u53d6\u6d88\nDBCC INDEXDEFRAG (0,enBOM)\n\n\/\/\u67e5\u8be2\u6570\u636e\u5e93\u91cc\u7d22\u5f15\u7684\u788e\u7247\u4fe1\u606f\n\/\/ScanDensity\u7684\u503c\u5e94\u8be5\u63a5\u8fd1100%\n\/\/Avg.PageDensity\u8d8a\u5927\u8d8a\u597d\nDBCC SHOWCONTIG WITH ALL_INDEXES\n\n\/\/\u67e5\u8be2enBOM\u8868\u7684\u7d22\u5f15\u7684\u788e\u7247\u4fe1\u606f\nDBCC SHOWCONTIG (enBOM) WITH ALL_INDEXES<\/code><\/pre>\n\n\n\n
    \u67e5\u8be2\u5e93\u4e2d\u5404\u8868\u7684\u5927\u5c0f\uff08Fill Factor\u7684\u6548\u5e94\uff09\uff1a<\/p>\n\n\n\n
    SELECT t.NAME AS TableName,p.rows AS RowCounts,SUM(a.data_pages) * 8 AS DataSpaceKB,SUM(a.total_pages) * 8 AS TotalSpaceKB, \n    SUM(a.used_pages) * 8 AS UsedSpaceKB, (SUM(a.total_pages) - SUM(a.used_pages)) * 8 AS UnusedSpaceKB   \nFROM sys.tables t INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id\nINNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id\nINNER JOIN sys.allocation_units a ON p.partition_id = a.container_id\nWHERE t.NAME NOT LIKE 'dt%' AND t.is_ms_shipped = 0 AND i.OBJECT_ID > 255 \nGROUP BY t.Name, p.Rows\nORDER BY TableName;<\/code><\/pre>\n\n
    <\/svg><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"
    SQL Server\u7684\u7d22\u5f15\uff0c\u662f\u4e0e\u8868\u6216\u89c6\u56fe\u5173\u8054\u7684\u78c1\u76d8\u4e0a\u7ed3\u6784\uff0c\u53ef\u4ee5\u52a0\u5feb\u4ece\u8868\u6216\u89c6\u56fe\u4e2d\u68c0\u7d22\u884c\u7684\u901f\u5ea6\uff0c\u7c7b\u4f3c\u6211\u4eec\u5e38\u89c1\u7eb8\u8d28\u4e66 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1794","post","type-post","status-publish","format-standard","hentry","category-kfbj"],"_links":{"self":[{"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/posts\/1794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1794"}],"version-history":[{"count":20,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/posts\/1794\/revisions"}],"predecessor-version":[{"id":1831,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=\/wp\/v2\/posts\/1794\/revisions\/1831"}],"wp:attachment":[{"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1794"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jh1999.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}