{"id":25041,"date":"2024-03-16T04:15:40","date_gmt":"2024-03-16T04:15:40","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-create-an-auto-increment-sequence-in-postgresql\/"},"modified":"2024-03-22T05:12:51","modified_gmt":"2024-03-22T05:12:51","slug":"how-to-create-an-auto-increment-sequence-in-postgresql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-create-an-auto-increment-sequence-in-postgresql\/","title":{"rendered":"How to create an auto-increment sequence in PostgreSQL?"},"content":{"rendered":"<p>To create an auto-increment sequence in PostgreSQL, you can use the following syntax:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CREATE<\/span> SEQUENCE sequence_name\r\n    [INCREMENT <span class=\"hljs-keyword\">BY<\/span> increment]\r\n    [MINVALUE minvalue]\r\n    [MAXVALUE maxvalue]\r\n    [<span class=\"hljs-keyword\">START<\/span> <span class=\"hljs-keyword\">WITH<\/span> <span class=\"hljs-keyword\">start<\/span>]\r\n    [CACHE cache]\r\n    [<span class=\"hljs-keyword\">CYCLE<\/span> <span class=\"hljs-operator\">|<\/span> <span class=\"hljs-keyword\">NO<\/span> <span class=\"hljs-keyword\">CYCLE<\/span>]\r\n    [OWNED <span class=\"hljs-keyword\">BY<\/span> table_name.column_name];\r\n<\/code><\/pre>\n<p>sequence_name is the name of the sequence you want to create, increment is the value by which the sequence will be incremented each time, defaulting to 1. minvalue and maxvalue are the minimum and maximum values of the sequence, start is the starting value of the sequence, defaulting to 1. cache is the number of sequence values that are cached, defaulting to 1. CYCLE indicates that the sequence can cyclically repeat, while NO CYCLE indicates that the sequence will not repeat. table_name.column_name refers to the table and column that own the sequence.<\/p>\n<p>Here is an example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CREATE<\/span> SEQUENCE employee_id_seq\r\n    INCREMENT <span class=\"hljs-keyword\">BY<\/span> <span class=\"hljs-number\">1<\/span>\r\n    <span class=\"hljs-keyword\">START<\/span> <span class=\"hljs-keyword\">WITH<\/span> <span class=\"hljs-number\">1<\/span>\r\n    <span class=\"hljs-keyword\">NO<\/span> MINVALUE\r\n    <span class=\"hljs-keyword\">NO<\/span> MAXVALUE\r\n    CACHE <span class=\"hljs-number\">1<\/span>;\r\n<\/code><\/pre>\n<p>This will create a sequence named employee_id_seq that increments by 1 each time, starting at 1, with no minimum or maximum values, and caching one sequence value at a time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To create an auto-increment sequence in PostgreSQL, you can use the following syntax: CREATE SEQUENCE sequence_name [INCREMENT BY increment] [MINVALUE minvalue] [MAXVALUE maxvalue] [START WITH start] [CACHE cache] [CYCLE | NO CYCLE] [OWNED BY table_name.column_name]; sequence_name is the name of the sequence you want to create, increment is the value by which the sequence will [&hellip;]<\/p>\n","protected":false},"author":9,"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-25041","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 to create an auto-increment sequence in PostgreSQL? 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