{"id":190262,"date":"2024-11-12T11:07:21","date_gmt":"2024-11-12T03:07:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190262\/"},"modified":"2024-11-12T11:07:22","modified_gmt":"2024-11-12T03:07:22","slug":"%e5%be%ae%e8%bb%9fsql%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e9%81%8e%e5%a4%a7%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%88mssql-%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e9%81%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190262\/","title":{"rendered":"\u5fae\u8edfSQL\u4f3a\u670d\u5668\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u8655\u7406\u65b9\u6cd5\uff08mssql \u65e5\u8a8c\u6587\u4ef6\u904e\u5927\uff09"},"content":{"rendered":"<h1 id=\"%e5%be%ae%e8%bb%9fsql%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e9%81%8e%e5%a4%a7%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%88mssql-%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e9%81%8e-KeQEawpQqL\">\u5fae\u8edfSQL\u4f3a\u670d\u5668\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u8655\u7406\u65b9\u6cd5\uff08mssql \u65e5\u8a8c\u6587\u4ef6\u904e\u5927\uff09<\/h1>\n<p>\u5728\u4f7f\u7528\u5fae\u8edfSQL\u4f3a\u670d\u5668\u7684\u904e\u7a0b\u4e2d\uff0c\u65e5\u8a8c\u6587\u4ef6\u7684\u5927\u5c0f\u554f\u984c\u5e38\u5e38\u6703\u56f0\u64fe\u8a31\u591a\u4f7f\u7528\u8005\u3002\u65e5\u8a8c\u6587\u4ef6\uff08.ldf\uff09\u662f\u7528\u4f86\u8a18\u9304\u6240\u6709\u5c0d\u6578\u64da\u5eab\u9032\u884c\u7684\u8b8a\u66f4\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u3002\u7576\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff0c\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u751a\u81f3\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6545\u969c\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u7e2e\u6e1b\u65e5\u8a8c\u6587\u4ef6\u7684\u5927\u5c0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e5%a2%9e%e9%95%b7%e7%9a%84%e5%8e%9f%e5%9b%a0-KeQEawpQqL\">\u65e5\u8a8c\u6587\u4ef6\u589e\u9577\u7684\u539f\u56e0<\/h2>\n<p>\u65e5\u8a8c\u6587\u4ef6\u7684\u589e\u9577\u901a\u5e38\u6709\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6062\u5fa9\u6a21\u5f0f\u8a2d\u5b9a\uff1a<\/strong>SQL\u4f3a\u670d\u5668\u63d0\u4f9b\u4e09\u7a2e\u6062\u5fa9\u6a21\u5f0f\uff1a\u5b8c\u6574\u3001\u7c21\u55ae\u548c\u5927\u5bb9\u91cf\u65e5\u8a8c\u3002\u82e5\u4f7f\u7528\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\uff0c\u65e5\u8a8c\u6587\u4ef6\u5c07\u4e0d\u6703\u81ea\u52d5\u622a\u65b7\uff0c\u5c0e\u81f4\u5176\u4e0d\u65b7\u589e\u9577\u3002<\/li>\n<li><strong>\u9577\u6642\u9593\u7684\u4e8b\u52d9\uff1a<\/strong>\u5982\u679c\u6709\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\uff0c\u9019\u4e9b\u4e8b\u52d9\u6703\u4f54\u7528\u65e5\u8a8c\u7a7a\u9593\uff0c\u76f4\u5230\u4e8b\u52d9\u5b8c\u6210\u5f8c\uff0c\u65e5\u8a8c\u624d\u6703\u88ab\u622a\u65b7\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5728\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\u4e0b\uff0c\u5fc5\u9808\u5b9a\u671f\u5099\u4efd\u65e5\u8a8c\u6587\u4ef6\uff0c\u5426\u5247\u65e5\u8a8c\u6587\u4ef6\u5c07\u4e0d\u6703\u91cb\u653e\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%99%95%e7%90%86%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e9%81%8e%e5%a4%a7%e7%9a%84%e6%96%b9%e6%b3%95-KeQEawpQqL\">\u8655\u7406\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%81%a2%e5%be%a9%e6%a8%a1%e5%bc%8f-KeQEawpQqL\">1. \u6aa2\u67e5\u6062\u5fa9\u6a21\u5f0f<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6062\u5fa9\u6a21\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u6062\u5fa9\u6a21\u5f0f\uff1a<\/p>\n<pre><code>SELECT name, recovery_model\nFROM sys.databases;<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u9700\u8981\u5b8c\u6574\u7684\u65e5\u8a8c\u8a18\u9304\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u6062\u5fa9\u6a21\u5f0f\u66f4\u6539\u70ba\u7c21\u55ae\u6a21\u5f0f\uff1a<\/p>\n<pre><code>ALTER DATABASE [YourDatabaseName] SET RECOVERY SIMPLE;<\/code><\/pre>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%97%a5%e8%aa%8c-KeQEawpQqL\">2. \u5b9a\u671f\u5099\u4efd\u65e5\u8a8c<\/h3>\n<p>\u5982\u679c\u9700\u8981\u4f7f\u7528\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\uff0c\u5247\u5fc5\u9808\u5b9a\u671f\u5099\u4efd\u65e5\u8a8c\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u65e5\u8a8c\u5099\u4efd\uff1a<\/p>\n<pre><code>BACKUP LOG [YourDatabaseName] TO DISK = 'C:BackupYourDatabaseName_LogBackup.trn';<\/code><\/pre>\n<p>\u5099\u4efd\u5f8c\uff0c\u65e5\u8a8c\u6587\u4ef6\u5c07\u6703\u88ab\u622a\u65b7\uff0c\u91cb\u653e\u7a7a\u9593\u3002<\/p>\n<h3 id=\"3-%e6%94%b6%e7%b8%ae%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-KeQEawpQqL\">3. \u6536\u7e2e\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u5728\u5099\u4efd\u65e5\u8a8c\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6536\u7e2e\u65e5\u8a8c\u6587\u4ef6\uff1a<\/p>\n<pre><code>DBCC SHRINKFILE (YourDatabaseName_log, 1);<\/code><\/pre>\n<p>\u9019\u5c07\u6703\u5c07\u65e5\u8a8c\u6587\u4ef6\u7684\u5927\u5c0f\u7e2e\u5c0f\u5230\u6700\u5c0f\u503c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u983b\u7e41\u6536\u7e2e\u65e5\u8a8c\u6587\u4ef6\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e5%a4%a7%e5%b0%8f-KeQEawpQqL\">4. \u76e3\u63a7\u65e5\u8a8c\u6587\u4ef6\u5927\u5c0f<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u65e5\u8a8c\u6587\u4ef6\u7684\u5927\u5c0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>SELECT\n    DB_NAME(database_id) AS DatabaseName,\n    Name AS LogicalName,\n    Size * 8 \/ 1024 AS SizeMB\nFROM sys.master_files\nWHERE type_desc = 'LOG';<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-KeQEawpQqL\">\u7d50\u8ad6<\/h2>\n<p>\u5fae\u8edfSQL\u4f3a\u670d\u5668\u7684\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u554f\u984c\u53ef\u4ee5\u901a\u904e\u9069\u7576\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u4f86\u89e3\u6c7a\u3002\u4e86\u89e3\u6062\u5fa9\u6a21\u5f0f\u3001\u5b9a\u671f\u5099\u4efd\u65e5\u8a8c\u3001\u6536\u7e2e\u65e5\u8a8c\u6587\u4ef6\u4ee5\u53ca\u76e3\u63a7\u65e5\u8a8c\u5927\u5c0f\u90fd\u662f\u6709\u6548\u7684\u8655\u7406\u65b9\u6cd5\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u907f\u514d\u56e0\u70ba\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u61c9\u7528\u7a0b\u5e8f\u6545\u969c\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6709\u6548\u8655\u7406\u5fae\u8edfSQL\u4f3a\u670d\u5668\u65e5\u8a8c\u6587\u4ef6\u904e\u5927\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u8207\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-190262","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190262","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=190262"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190262\/revisions"}],"predecessor-version":[{"id":190263,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190262\/revisions\/190263"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}