{"id":7380,"date":"2024-03-14T05:27:59","date_gmt":"2024-03-14T05:27:59","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-bulk-insert-data-into-clickhouse\/"},"modified":"2025-08-02T15:26:58","modified_gmt":"2025-08-02T15:26:58","slug":"how-to-bulk-insert-data-into-clickhouse","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-bulk-insert-data-into-clickhouse\/","title":{"rendered":"ClickHouse Bulk Insert Guide: Fast Data Loading"},"content":{"rendered":"<p>In ClickHouse, batch data can be written using the INSERT statement. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> test_table (col1, col2, col3) <span class=\"hljs-keyword\">VALUES<\/span> (<span class=\"hljs-string\">'value1'<\/span>, <span class=\"hljs-string\">'value2'<\/span>, <span class=\"hljs-string\">'value3'<\/span>), (<span class=\"hljs-string\">'value4'<\/span>, <span class=\"hljs-string\">'value5'<\/span>, <span class=\"hljs-string\">'value6'<\/span>), (<span class=\"hljs-string\">'value7'<\/span>, <span class=\"hljs-string\">'value8'<\/span>, <span class=\"hljs-string\">'value9'<\/span>);\r\n<\/code><\/pre>\n<p>In the example above, test_table is the name of the table where data is to be inserted, col1, col2, and col3 are the column names in the table, and the values following them are the data to be inserted. Multiple rows of data can be inserted at once.<\/p>\n<p>If you need to insert a large amount of data in bulk, you can also use the INSERT SELECT statement to select data from another table and insert it into the target table. An example is shown below:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> test_table (col1, col2, col3) <span class=\"hljs-keyword\">SELECT<\/span> col1, col2, col3 <span class=\"hljs-keyword\">FROM<\/span> source_table <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>;\r\n<\/code><\/pre>\n<p>In the example above, source_table is the table from which data is selected, condition is the filter condition, and the SELECT statement is used to choose data and insert it into the target table.<\/p>\n<p>It is important to note that in ClickHouse, batch data insertion can be used to improve performance and efficiency. By using batch insertion, a large amount of data can be inserted at once, reducing the number of insertion operations and therefore enhancing performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In ClickHouse, batch data can be written using the INSERT statement. Here is a simple example: INSERT INTO test_table (col1, col2, col3) VALUES (&#8216;value1&#8217;, &#8216;value2&#8217;, &#8216;value3&#8217;), (&#8216;value4&#8217;, &#8216;value5&#8217;, &#8216;value6&#8217;), (&#8216;value7&#8217;, &#8216;value8&#8217;, &#8216;value9&#8217;); In the example above, test_table is the name of the table where data is to be inserted, col1, col2, and col3 are the [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[670,8988,9420,814,101],"class_list":["post-7380","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bulk-insert","tag-clickhouse","tag-clickhouse-tutorial","tag-data-loading","tag-database-operations"],"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>ClickHouse Bulk Insert Guide: Fast Data Loading - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Master bulk insert operations in ClickHouse. Learn efficient methods to insert large datasets with practical examples and optimization tips.\" \/>\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-to-bulk-insert-data-into-clickhouse\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ClickHouse Bulk Insert Guide: Fast Data Loading\" \/>\n<meta property=\"og:description\" content=\"Master bulk insert operations in ClickHouse. 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