{"id":842,"date":"2015-12-17T12:45:15","date_gmt":"2015-12-17T07:15:15","guid":{"rendered":"http:\/\/pramodsingla.com\/?p=842"},"modified":"2015-12-17T12:45:15","modified_gmt":"2015-12-17T07:15:15","slug":"sql-server-defragment-indexes","status":"publish","type":"post","link":"https:\/\/pramodsingla.com\/?p=842","title":{"rendered":"SQL Server -Defragment Indexes"},"content":{"rendered":"<p style=\"text-align:justify;\"><span style=\"color:#ff0000;\"><strong>Problem:<\/strong> <\/span>Many a times you need to defragment indexes on SQL server. Following query is quite handy for doing this task.<\/p>\n<p><span style=\"color:#008000;\"><strong>Solution:<\/strong><\/span><\/p>\n<blockquote>\n<pre><span style=\"color:blue;\">SELECT<\/span>\u00a0<span style=\"color:red;\">'Alter\u00a0index\u00a0'<\/span>\u00a0<span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:maroon;\">i<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:blue;\">NAME<\/span>\u00a0<span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:red;\">'\u00a0on\u00a0'<\/span>\n <span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:fuchsia;\"><i>Quotename<\/i><\/span><span style=\"color:maroon;\">(<\/span><span style=\"color:maroon;\">s<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:blue;\">NAME<\/span><span style=\"color:maroon;\">)<\/span>\u00a0<span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:red;\">'.'<\/span>\u00a0<span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:fuchsia;\"><i>Quotename<\/i><\/span><span style=\"color:maroon;\">(<\/span><span style=\"color:maroon;\">o<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:blue;\">NAME<\/span><span style=\"color:maroon;\">)<\/span>\u00a0<span style=\"color:silver;\">+<\/span>\u00a0<span style=\"color:blue;\">CASE<\/span>\u00a0<span style=\"color:blue;\">WHEN<\/span>\n <span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">avg_fragmentation_in_percent<\/span>\u00a0<span style=\"color:silver;\">&gt;=<\/span><span style=\"color:black;\">60<\/span>\u00a0<span style=\"color:blue;\">THEN<\/span>\u00a0<span style=\"color:red;\">'\u00a0rebuild\u00a0'<\/span>\u00a0<span style=\"color:blue;\">ELSE<\/span>\n <span style=\"color:red;\">'\u00a0reorganize'<\/span>\u00a0<span style=\"color:blue;\">END<\/span>\n <span style=\"color:blue;\">FROM<\/span>\u00a0\u00a0\u00a0<span style=\"color:maroon;\">sys<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:#ff0080;\"><b>Dm_db_index_physical_stats<\/b><\/span><span style=\"color:maroon;\">(<\/span><span style=\"color:fuchsia;\"><i>Db_id<\/i><\/span><span style=\"color:maroon;\">(<\/span><span style=\"color:maroon;\">)<\/span><span style=\"color:silver;\">,<\/span>\u00a0<span style=\"color:blue;\">NULL<\/span><span style=\"color:silver;\">,<\/span>\u00a0<span style=\"color:blue;\">NULL<\/span><span style=\"color:silver;\">,<\/span>\u00a0<span style=\"color:blue;\">NULL<\/span><span style=\"color:silver;\">,<\/span>\u00a0<span style=\"color:red;\">'LIMITED'<\/span><span style=\"color:maroon;\">)<\/span>\u00a0<span style=\"color:blue;\">AS<\/span>\n <span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">,<\/span>\n <span style=\"color:maroon;\">sys<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">objects<\/span>\u00a0<span style=\"color:blue;\">AS<\/span>\u00a0<span style=\"color:maroon;\">o<\/span><span style=\"color:silver;\">,<\/span>\n <span style=\"color:maroon;\">sys<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">schemas<\/span>\u00a0<span style=\"color:blue;\">AS<\/span>\u00a0<span style=\"color:maroon;\">s<\/span><span style=\"color:silver;\">,<\/span>\n <span style=\"color:maroon;\">sys<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">indexes<\/span>\u00a0<span style=\"color:blue;\">AS<\/span>\u00a0<span style=\"color:maroon;\">i<\/span>\n <span style=\"color:blue;\">WHERE<\/span>\u00a0\u00a0<span style=\"color:maroon;\">o<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">object_id<\/span>\u00a0<span style=\"color:silver;\">=<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">object_id<\/span>\n <span style=\"color:blue;\">AND<\/span>\u00a0<span style=\"color:maroon;\">s<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">schema_id<\/span>\u00a0<span style=\"color:silver;\">=<\/span>\u00a0<span style=\"color:maroon;\">o<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">schema_id<\/span>\n <span style=\"color:blue;\">AND<\/span>\u00a0<span style=\"color:maroon;\">i<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">object_id<\/span>\u00a0<span style=\"color:silver;\">=<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">object_id<\/span>\n <span style=\"color:blue;\">AND<\/span>\u00a0<span style=\"color:maroon;\">i<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">index_id<\/span>\u00a0<span style=\"color:silver;\">=<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">index_id<\/span>\n <span style=\"color:blue;\">AND<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">avg_fragmentation_in_percent<\/span>\u00a0<span style=\"color:silver;\">&gt;=<\/span>\u00a0<span style=\"color:black;\">20<\/span>\n <span style=\"color:blue;\">AND<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">page_count<\/span>\u00a0<span style=\"color:silver;\">&gt;=<\/span>\u00a0<span style=\"color:black;\">1000<\/span>\n <span style=\"color:blue;\">ORDER<\/span>\u00a0\u00a0<span style=\"color:blue;\">BY<\/span>\u00a0<span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">avg_fragmentation_in_percent<\/span>\u00a0<span style=\"color:blue;\">DESC<\/span><span style=\"color:silver;\">,<\/span>\n <span style=\"color:maroon;\">stats<\/span><span style=\"color:silver;\">.<\/span><span style=\"color:maroon;\">page_count<\/span>\u00a0<span style=\"color:blue;\">DESC<\/span><\/pre>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Problem: Many a times you need to defragment indexes on SQL server. Following query is quite handy for doing this[&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[1],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pramodsingla.com\/index.php?rest_route=\/wp\/v2\/posts\/842"}],"collection":[{"href":"https:\/\/pramodsingla.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pramodsingla.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pramodsingla.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pramodsingla.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=842"}],"version-history":[{"count":0,"href":"https:\/\/pramodsingla.com\/index.php?rest_route=\/wp\/v2\/posts\/842\/revisions"}],"wp:attachment":[{"href":"https:\/\/pramodsingla.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pramodsingla.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pramodsingla.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}