{"id":2147,"date":"2012-05-20T07:25:22","date_gmt":"2012-05-20T07:25:22","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=2147"},"modified":"2012-05-20T07:25:22","modified_gmt":"2012-05-20T07:25:22","slug":"%e8%a1%a8%e5%86%85%e9%83%a8%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2012\/05\/20\/%e8%a1%a8%e5%86%85%e9%83%a8%e7%bb%93%e6%9e%84\/","title":{"rendered":"\u8868\u5185\u90e8\u7ed3\u6784"},"content":{"rendered":"
\n
\n
\n\t\t\t
\n\t\t\t\u603b\u7ed3\u9875\u7ed3\u6784\uff1a<\/span><\/font><\/span><\/span><\/font><\/span><\/div>\n
\n\t\t\t1<\/span><\/font> <\/span>\uff0c\u67e5\u770b\u65b9\u6cd5\uff1a<\/span><\/font><\/div>\n
\n\t\t\t\u67e5\u627e\u6240\u6709\u6570\u636e\u7684\u7ed3\u6784\uff0c\u91cc\u9762\u4f1a\u6709\u6587\u4ef6\u53f7\uff0c\u9875\u53f7\u7b49\u4fe1\u606f<\/span><\/font><\/div>\n
\n\t\t\tDBCC<\/span><\/font> <\/span>IND<\/span><\/font>(<\/span><\/font> <\/span>Business<\/span><\/font> <\/span>,<\/span><\/font>Fixed<\/span><\/font> <\/span>,-<\/span><\/font> <\/span>1<\/span><\/font>)<\/span><\/font><\/div>\n
\n\t\t\t\u901a\u8fc7\u4e0a\u8ff0\u5f97\u5230\u6587\u4ef6\u53f7\uff0c\u9875\u53f7\uff0c\u6267\u884c\u4ee5\u4e0b\u5f97\u5230\u6570\u636e\u7ed3\u6784<\/span><\/font><\/div>\n
\n\t\t\tDBCC<\/span><\/font> <\/span>TRACEON<\/span><\/font>(<\/span><\/font> <\/span>3604<\/span><\/font> <\/span>)<\/span><\/font><\/div>\n
\n\t\t\tDBCC<\/span><\/font> <\/span>PAGE<\/span><\/font>(<\/span><\/font> <\/span>Business<\/span><\/font> <\/span>,<\/span><\/font>1<\/span><\/font> <\/span>,<\/span><\/font> <\/span>3394<\/span><\/font>,<\/span><\/font> <\/span>1<\/span><\/font> <\/span>)<\/span><\/font><\/div>\n
\n\t\t\t <\/div>\n
\n\t\t\t2<\/span><\/font> <\/span>\uff0c\u660e\u7ec6\u89e3\u91ca\uff1a<\/span><\/font><\/div>\n
\n\t\t\t\u9875\u5927\u5c0f\u4e3a<\/span><\/font> <\/span>KB<\/span><\/font> <\/span>\uff0c\u5b57\u8282\uff0c\u7531\u9875\u9762\u62a5\u5934\uff0c\u6570\u636e\u884c\u53ca\u884c\u504f\u79fb\u77e9\u9635\u7ec4\u6210\u3002<\/span><\/font><\/div>\n
\n\t\t\tDBCC<\/span><\/font> <\/span>PAGE <\/span><\/span><\/font>\u8f93\u51fa<\/span><\/font><\/div>\n
\n\t\t\t\u5206\u4e3a\u4e2a\u4e3b\u8981\u6bb5\u843d<\/span><\/font><\/div>\n
\n\t\t\t      1<\/span><\/font> <\/span>\uff09<\/span><\/font> <\/span>BUFFER<\/span><\/font>:<\/span><\/font> <\/span>\u7ed9\u5b9a\u9875\u9762\u7684\u7f13\u51b2\u4fe1\u606f\uff0c\u6307\u4e00\u79cd\u5185\u5b58\u7684\u7ed3\u6784\uff0c\u4ec5\u5f53\u524d\u9875\u9762\u5904\u4e8e\u5185\u5b58\u4e2d\u65f6\u624d\u6709\u610f\u4e49\u3002<\/span><\/font><\/div>\n
\n\t\t\t      2<\/span><\/font> <\/span>\uff09<\/span><\/font> <\/span>PAGE HEADER<\/span><\/font>:<\/span><\/font> <\/span>\u8be5\u9875\u9762\u4e0a\u7684\u6240\u6709\u62a5\u5934\u5b57\u6bb5\u4fe1\u606f\uff0c\u5360\u636e\u524d\u4e2a\u5b57\u8282\u3002<\/span><\/font><\/div>\n
\n\t\t\t      3<\/span><\/font> <\/span>\uff09<\/span><\/font> <\/span>DATA<\/span><\/font>\uff1a\u6bcf\u6761\u8bb0\u5f55\u7684\u4fe1\u606f\uff0c\u5360\u636e\u5b57\u8282\u3002<\/span><\/font><\/div>\n
\n\t\t\t      4<\/span><\/font> <\/span>\uff09<\/span><\/font> <\/span>OFFSET <\/span><\/span><\/font>TABLE<\/span><\/font> <\/span>\u663e\u793a\u4e86\u884c\u504f\u79fb\u77e9\u9635\u7684\u5185\u5bb9\uff0c\u5360\u636e\u5b57\u8282\u3002<\/span><\/font><\/div>\n
\n\t\t\tDATA<\/span><\/font> <\/span>\u7ed3\u6784\u8bf4\u660e\uff1a<\/span><\/font><\/div>\n
\n\t\t\t\u901a\u8fc7\u4e0a\u8ff0<\/span><\/font> <\/span>sql<\/span><\/font> <\/span>\u67e5\u770b\u504f\u79fb\u91cf\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u4e4b\u540e\u662f\u5177\u4f53\u7684\u56fa\u5b9a\u957f\u5ea6\u5b57\u7b26\u5185\u5bb9<\/span><\/font><\/div>\n
\n\t\t\tSTATUS<\/span><\/font> <\/span>Bits A     2<\/span><\/font> <\/span>\u4f4d<\/span><\/font><\/div>\n
\n\t\t\tSTATUS<\/span><\/font> <\/span>Bits A     2<\/span><\/font> <\/span>\u4f4d<\/span><\/font><\/div>\n
\n\t\t\t\u56fa\u5b9a\u5b57\u6bb5\u5927\u5c0f<\/span><\/font> <\/span>      4<\/span><\/font> <\/span>\u4f4d<\/span><\/font><\/div>\n
\n\t\t\t\u56fa\u5b9a\u5b57\u6bb5\u6570\u636e<\/span><\/font> <\/span>      <\/span><\/font> <\/span>\u56fa\u5b9a\u5b57\u6bb5\u5927\u5c0f<\/span><\/font> <\/span>–<\/span><\/font>4<\/span><\/font><\/div>\n
\n\t\t\t\u56fa\u5b9a\u5b57\u6bb5\u6570\u91cf<\/span><\/font> <\/span>      4<\/span><\/font> <\/span>\u4f4d<\/span><\/font><\/div>\n
\n\t\t\t\u7a7a\u4f4d\u56fe<\/span><\/font> <\/span>      <\/span><\/font><\/div>\n
\n\t\t\t\u53d8\u957f\u5b57\u6bb5\u6570\u91cf<\/span><\/font> <\/span>      4<\/span><\/font> <\/span>\u4f4d<\/span><\/font><\/div>\n
\n\t\t\t\u53d8\u957f\u5b57\u6bb5\u504f\u79fb\u91cf<\/span><\/font> <\/span>    2<\/span><\/font> <\/span>*<\/span><\/font>\u53d8\u957f\u5b57\u6bb5\u6570\u91cf<\/span><\/font><\/div>\n
\n\t\t\t\u53d8\u957f\u5b57\u6bb5\u6570\u636e<\/span><\/font><\/div>\n
\n\t\t\t\u6ce8\uff1a\u4e2a\u5b57\u8282\u7528\u4e24\u4f4d\u5b58\u50a8<\/span><\/font><\/div>\n
\n\t\t\t16<\/span><\/font> <\/span>\u8fdb\u5236\u8f6c\u6362\u6210\u5177\u4f53\u6570\u636e\u65b9\u6cd5\uff1a\uff0c\u82e5\u8868\u793a\u7684\u662f\u6570\u5b57\u5982\u56fa\u5b9a\u5b57\u6bb5\u957f\u5ea6\u6216\u5b57\u6bb5\u672c\u8eab\u662f\u6574\u578b\uff0c\u5219\u8981\u4ece\u540e\u5411\u524d\u8f6c\u6362\uff08\u56e0\u6570\u5b57\u5b57\u6bb5\u662f\u5148\u5b58\u50a8\u4f4e\u5b57\u8282\u7684\uff09\uff0c\u82e5\u662f<\/span><\/font><\/div>\n
\n\t\t\t\u5b57\u7b26\uff0c\u5219\u7528\u6bcf\u4e24\u4f4d\u7684\u8868\u793a\u8f6c\u6210<\/span><\/font> <\/span>ASCII<\/span><\/font> <\/span>\u7801\u5373\u53ef\u3002<\/span><\/font><\/div>\n
\n\t\t\t <\/div>\n
\n\t\t\t3<\/span><\/font> <\/span>,<\/span><\/font>\u89c2\u5bdf\u6570\u636e\u7ed3\u6784\u4f5c\u7528\uff1a<\/span><\/font><\/div>\n
\n\t\t\t1<\/span><\/font> <\/span>\uff09\u5b57\u6bb5\u957f\u5ea6\u6539\u5c0f\uff0c\u89c2\u5bdf\u524d\u540e\u6570\u636e\u53d8\u5316\uff0c\u53d1\u73b0\u662f\u4e00\u6837\u7684\uff0c\u539f\u6570\u636e\u662f\u4e0d\u4f1a\u5220\u9664\u7684\uff0c\u53ea\u662f\u5728\u67e5\u8be2\u65f6\u4e0d\u663e\u793a\u51fa\u6765\uff0c\u5728\u63d2\u5165\u7684\u65f6\u5019\u589e\u52a0\u8303\u56f4\u9650\u5236\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u8fd9\u4e5f\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u8868\u5b57\u6bb5\u6539\u5c0f\u540e\uff0c\u6570\u636e\u91cf\u6ca1\u6709\u4ec0\u4e48\u53d8\u5316\uff0c\u56e0\u4e3a\u5b83\u5e76\u4e0d\u6267\u884c\u5220\u9664\uff0c\u4ee5\u4fdd\u8bc1\u9ad8\u6548\u7387\u3002\u7531\u6b64\u4e86\u89e3\u6570\u636e\u5e93\u7a7a\u95f4\u589e\u5927\u540e\uff0c\u6570\u636e\u5220\u9664\u5e76\u6ca1\u6709\u76f8\u5e94\u7684\u7a7a\u95f4\u51cf\u5c11\u7684\u539f\u56e0\uff0c\u82e5\u60f3\u771f\u6b63\u5220\u9664\uff0c\u91cd\u5efa\u805a\u96c6\u7d22\u5f15\u5373\u53ef\u3002<\/span><\/font><\/div>\n
\n\t\t\t <\/div>\n
\n\t\t\t2<\/span><\/font> <\/span>\uff09\u5c06\u5b57\u6bb5\u957f\u5ea6\u7528<\/span><\/font> <\/span>ALTER<\/span><\/font>\u65b9\u5f0f\u6539\u5927\uff0c\u89c2\u5bdf\u524d\u540e\u6570\u636e\u53d8\u5316\uff0c\u53d1\u73b0\u591a\u51fa\u4e86\u4e00\u5217\uff0c\u539f\u6709\u7684\u6570\u636e\u5217\u4e5f\u4fdd\u7559\uff0c\u8fd9\u4e5f\u89e3\u91ca\u4e86\u5728\u8868\u8bbe\u8ba1\u60c5\u51b5\u4e0b\uff0c\u8fdb\u884c\u7ed3\u6784\u7684\u66f4\u6539\u5982\u5b57\u6bb5\u957f\u5ea6\u53d8\u5927\u53d8\u5c0f\uff0c\u6700\u540e\u8ba9<\/span><\/font><\/div>\n
\n\t\t\tSQLSERVER<\/span><\/font> <\/span>\u751f\u6210<\/span><\/font>SQL<\/span><\/font> <\/span>\u8bed\u53e5\uff0c\u4e3a\u4ec0\u4e48\u662f\u5efa\u7acb\u65b0\u8868\uff0c\u91cd\u5efa\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u751f\u6210<\/span><\/font> <\/span>alter<\/span><\/font> <\/span>\u7684\u539f\u56e0\uff0c\u56e0\u4e3a<\/span><\/font> <\/span>sqlserver<\/span><\/font>\u77e5\u9053\u76f4\u63a5<\/span><\/font> <\/span>alter<\/span><\/font> <\/span>\u7684\u8bdd\u539f\u6570\u636e\u662f\u4e0d\u4f1a\u5220\u9664\u7684\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\u662f\u5bf9\u5217\u8fdb\u884c\u4f4d\u7f6e\u7684\u8c03\u52a8\uff0c\u7528<\/span><\/font> <\/span>sqlserver<\/span><\/font> <\/span>\u751f\u6210\u8bed\u53e5\uff0c\u4e5f\u662f\u5efa\u65b0\u8868\u64cd\u4f5c\u7684\uff0c\u539f\u56e0\u662f\u65b0\u589e\u52a0\u7684\u5217\u603b\u662f\u83b7\u5f97\u76ee\u524d\u6700\u9ad8\u7684<\/span><\/font> <\/span>column_id<\/span><\/font> <\/span>\u7684\u4e0b\u4e00\u4e2a\u503c\uff0c\u800c\u5217\u7684<\/span><\/font><\/div>\n
\n\t\t\t\u987a\u5e8f\u4e5f\u662f\u6309<\/span><\/font> <\/span>column_id<\/span><\/font> <\/span>\u8fdb\u884c\u7684\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u5373\uff1a\u7528<\/span><\/font> <\/span>alter<\/span><\/font> <\/span><\/font>\u66f4\u6539\u8868\u65f6\uff0c\u4e3a\u5c3d\u53ef\u80fd\u907f\u514d\u5bf9\u6bcf\u4e00\u884c\u6570\u636e\u7684\u6539\u52a8\uff08\u8981\u68c0\u67e5\u6bcf\u4e00\u884c\uff0c\u5199\u65e5\u5fd7\uff0c\u6bd4\u8f83\u8d39\u65f6\u8017\u8d44\u6e90\uff09\uff0c\u4e00\u822c\u539f\u884c\u7684\u6570\u636e\u662f\u4fdd\u7559\u7684\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u5b57\u6bb5\u66f4\u5c0f\uff1a\u539f\u6570\u636e\u5e76\u4e0d\u6267\u884c\u5220\u9664\uff0c\u4fdd\u7559\uff0c\u53ea\u662f\u7f29\u5c0f\u5165\u53e3\u4e0e\u51fa\u53e3\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u5b57\u6bb5\u66f4\u5927\uff0c\u76f4\u63a5\u65b0\u5efa\u4e00\u5217\uff0c\u800c\u4e0d\u662f\u8fdb\u884c\u5b57\u6bb5\u7684\u6269\u5145\u3002<\/span><\/font><\/div>\n
\n\t\t\t\u66f4\u6539\u5b57\u6bb5\u7684\u987a\u5e8f\uff0c\u5b57\u6bb5\u7684\u987a\u5e8f\u4e00\u7ecf\u5efa\u7acb\u5c31\u662f\u56fa\u5b9a\u7684\uff0c\u56e0\u4e3a\u662f\u636e<\/span><\/font> <\/span>column_id<\/span><\/font> <\/span>\u6765\u6392\u5e8f\u7684\uff0c\u6545\u66f4\u6539\u8868\u7684\u987a\u5e8f\u8981\u91cd\u5efa\u8868\u3002<\/span><\/font><\/div>\n<\/p><\/div>\n
\n\t\t <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u603b\u7ed3\u9875\u7ed3\u6784\uff1a 1 \uff0c\u67e5\u770b\u65b9\u6cd5\uff1a \u67e5\u627e\u6240\u6709\u6570\u636e\u7684\u7ed3\u6784\uff0c\u91cc\u9762\u4f1a\u6709\u6587\u4ef6\u53f7\uff0c\u9875\u53f7\u7b49\u4fe1\u606f DBCC  […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-2147","post","type-post","status-publish","format-standard","hentry","category-sql-server"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/2147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=2147"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/2147\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=2147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=2147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=2147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}