{"id":13210,"date":"2024-03-15T02:06:29","date_gmt":"2024-03-15T02:06:29","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-update-select-in-sql\/"},"modified":"2025-08-05T13:43:02","modified_gmt":"2025-08-05T13:43:02","slug":"what-is-the-usage-of-update-select-in-sql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-update-select-in-sql\/","title":{"rendered":"UPDATE SELECT SQL: Usage Guide"},"content":{"rendered":"

In SQL, the UPDATE SELECT statement is used to update data in a table by specifying the rows to be updated using a SELECT statement.<\/p>\n

The basic syntax is as follows:<\/p>\n

UPDATE table_name\r\nSET column1 = value1, column2 = value2, ...\r\nWHERE condition\r\n<\/code><\/pre>\n
The table_name specifies the name of the table to be updated, followed by column1 = value1, column2 = value2, and so on, which specifies the columns to be updated along with their new values. The WHERE condition is optional and is used to specify the rows to be updated.<\/p>\n
Original: \u6211\u4eec\u9700\u8981\u66f4\u591a\u7684\u65f6\u95f4\u6765\u5b8c\u6210\u8fd9\u4e2a\u9879\u76ee\u3002<\/p>\n
Paraphrased: We require additional time to complete this project.<\/p>\n
Assuming there is a table called employees, with columns: id, name, salary. We want to increase the salary of employees making less than 5000 by 10%.<\/p>\n
UPDATE employees\r\nSET salary = salary * 1.1\r\nWHERE salary < 5000\r\n<\/code><\/pre>\n
This will update the salaries of all employees in the employees table who earn less than 5000, increasing them by 10%.<\/p>\n
Caution should be taken when using the UPDATE SELECT statement to ensure that the WHERE condition is used carefully, updating only the rows that meet the criteria.<\/p>\n","protected":false},"excerpt":{"rendered":"
In SQL, the UPDATE SELECT statement is used to update data in a table by specifying the rows to be updated using a SELECT statement. The basic syntax is as follows: UPDATE table_name SET column1 = value1, column2 = value2, … WHERE condition The table_name specifies the name of the table to be updated, followed […]<\/p>\n","protected":false},"author":8,"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":[9372,513,1034,569,15645],"class_list":["post-13210","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-update","tag-database-management","tag-sql-query","tag-sql-tutorial","tag-update-select"],"yoast_head":"\nUPDATE SELECT SQL: Usage Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn to update data using UPDATE SELECT in SQL. 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