{"id":1615,"date":"2018-08-13T15:23:00","date_gmt":"2018-08-13T15:23:00","guid":{"rendered":"http:\/\/dbtut.com\/?p=1615"},"modified":"2018-11-09T22:49:23","modified_gmt":"2018-11-09T22:49:23","slug":"mariadb-column-compression-10-3","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2018\/08\/13\/mariadb-column-compression-10-3\/","title":{"rendered":"MariaDB  Column Compression 10.3"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>MariaDB support different type of compression before 10.3.x .<br \/>\nMost of them need external packages (lz4,lzo,lzma,bzip2,snappy) to be installed before using them .<br \/>\nDefault compression in zlib<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 96px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.9697%; height: 24px;\">Option<\/td>\n<td style=\"width: 89.0303%; height: 24px;\">Description<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.9697%; height: 24px;\">zlib<\/td>\n<td style=\"width: 89.0303%; height: 24px;\">Pages are compressed with bundled zlib compression method.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.9697%; height: 24px;\">lz4<\/td>\n<td style=\"width: 89.0303%; height: 24px;\">Extremely fast compression lz4 is lossless compression algorithm, providing compression speed at 400MB\/s per core.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.9697%; height: 24px;\">lzo<\/td>\n<td style=\"width: 89.0303%; height: 24px;\">Portable loseless data compression . Offers pretty fast compression and *extremely* fast decompression.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 10.9697%;\">lzma<\/td>\n<td style=\"width: 89.0303%;\">Is a general compression Method of 7z format in the 7-Zip program.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 10.9697%;\">bzip2<\/td>\n<td style=\"width: 89.0303%;\">It is high-quality compressor. It will compress files upto 10% to 15% of the best available techniques.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.9697%; height: 24px;\">snappy<\/td>\n<td style=\"width: 89.0303%; height: 24px;\">Snappy does not for maximum compression .It is aimed for very high speeds and reasonable compression .<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Column compression was introduced in 10.3.2.<br \/>\nIt allows you to compress data based on dataype instead of complete table .<\/p>\n<p>&nbsp;<\/p>\n<p><strong>syntax :<\/strong><\/p>\n<pre class=\"lang:default decode:true \">create table_1 (column_name data_type compressed=&lt;type&gt;)\r\n\r\nexample : create emp (name TEXT compressed=zlib)<\/pre>\n\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_1615\" class=\"pvc_stats all  \" data-element-id=\"1615\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; MariaDB support different type of compression before 10.3.x . Most of them need external packages (lz4,lzo,lzma,bzip2,snappy) to be installed before using them . Default compression in zlib Option Description zlib Pages are compressed with bundled zlib compression method. lz4 Extremely fast compression lz4 is lossless compression algorithm, providing compression speed at 400MB\/s per core. &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_1615\" class=\"pvc_stats all  \" data-element-id=\"1615\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":128,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1615","post","type-post","status-publish","format-standard","","category-mysql"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MariaDB Column Compression 10.3 - Database Tutorials<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dbtut.com\/index.php\/2018\/08\/13\/mariadb-column-compression-10-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MariaDB Column Compression 10.3 - Database Tutorials\" \/>\n<meta property=\"og:description\" content=\"&nbsp; MariaDB support different type of compression before 10.3.x . 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