{"id":22579,"date":"2024-03-15T23:49:45","date_gmt":"2024-03-15T23:49:45","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-we-check-the-size-of-a-table-in-db2\/"},"modified":"2024-03-21T23:13:17","modified_gmt":"2024-03-21T23:13:17","slug":"how-can-we-check-the-size-of-a-table-in-db2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-we-check-the-size-of-a-table-in-db2\/","title":{"rendered":"How can we check the size of a table in db2?"},"content":{"rendered":"<p>In DB2, you can determine the size of a table&#8217;s data using the following methods:<\/p>\n<ol>\n<li>The SYSCAT.TABLES.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> TABSCHEMA, TABNAME, CARD\r\n<span class=\"hljs-keyword\">FROM<\/span> SYSCAT.TABLES\r\n<span class=\"hljs-keyword\">WHERE<\/span> TABSCHEMA <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">'your_schema_name'<\/span> <span class=\"hljs-keyword\">AND<\/span> TABNAME <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">'your_table_name'<\/span>;\r\n<\/code><\/pre>\n<p>your_schema_name and your_table_name represent the schema and table names of the tables to be queried. CARD indicates the size of the data in the table.<\/p>\n<ol>\n<li>Retrieve information about a table using the SYSPROC.ADMIN_GET_TAB_INFO method.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CALL<\/span> SYSPROC.ADMIN_GET_TAB_INFO(<span class=\"hljs-string\">'your_schema_name'<\/span>, <span class=\"hljs-string\">'your_table_name'<\/span>, <span class=\"hljs-keyword\">NULL<\/span>, <span class=\"hljs-keyword\">NULL<\/span>, <span class=\"hljs-number\">-1<\/span>);\r\n<\/code><\/pre>\n<p>Your_schema_name and your_table_name are respectively the schema and table names of the tables you want to query.<\/p>\n<ol>\n<li>Generate the schema DDL statements for a DB2 database.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>db2look -d your_database_name -e -t your_schema_name.your_table_name | grep -i <span class=\"hljs-string\">\"Estimated number of rows\"<\/span>\r\n<\/code><\/pre>\n<p>your_database_name, your_schema_name, and your_table_name respectively refer to the database, schema, and table names of the tables being queried.<\/p>\n<p>Note: The table names in the above method are case-sensitive and may need adjustment based on the actual situation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In DB2, you can determine the size of a table&#8217;s data using the following methods: The SYSCAT.TABLES. SELECT TABSCHEMA, TABNAME, CARD FROM SYSCAT.TABLES WHERE TABSCHEMA = &#8216;your_schema_name&#8217; AND TABNAME = &#8216;your_table_name&#8217;; your_schema_name and your_table_name represent the schema and table names of the tables to be queried. CARD indicates the size of the data in the [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-22579","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How can we check the size of a table in db2? - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/blog\/how-can-we-check-the-size-of-a-table-in-db2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can we check the size of a table in db2?\" \/>\n<meta property=\"og:description\" content=\"In DB2, you can determine the size of a table&#8217;s data using the following methods: The SYSCAT.TABLES. 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